Category Archives: second-hand

　　International air transport refers to the use of aircraft as a means of transportation to transport a variety of goods between countries. One of the distinctive features of international air transport is its speed. Common jet transport speeds can reach 850-900 km/h, which makes international air transport much faster than other modes of transport. Moreover, the collection time of international air freight will not be as long as that of sea freight.pass sea freight As can be seen from its market performance, it has strong vitality and strong appeal. https://www.honzalogistics.com/

　　Advantages and Disadvantages of International Air Transport: Advantages: First, high-speed directness: Since there are fewer air routes restricted by natural geographical conditions, international air transport usually takes a shorter distance between two points, which has the advantage of high-speed directness.

　　Lower packaging requirements: Due to the stability of air navigation and the automatic landing system that reduces the replacement rate, international air transport has relatively low packaging requirements for goods.

　　Disadvantages High cost: Compared with other modes of transportation, the cost of international air transportation is higher, involving aviation fuel fees, airline service fees, and many other expenses.

　　Restricted cargo volume: Due to restrictions on aircraft and space, international air transports cannot carry large cargo or large quantities of cargo.

　　Dependence on weather conditions: International air transport is more sensitive to weather conditions, and severe weather conditions may cause flight delays or cancellations.

　　What types of goods are suitable for international air transport? The first category of high-value goods:

　　Jewelry: such as diamonds, gemstones, gold and silver jewelry, etc.

　　Luxury goods: such as high-end fashion, famous watches, brand-name bags, etc.

　　Electronic products: such as smartphones, tablets, high-end cameras, etc.The second category of fresh food: such as seafood, fruits, vegetables, etc. Transporting these goods quickly maintains their freshness and quality. Therefore, the best choice for these goods is international air transport, which can maximize the protection of the value of the products. The third category of emergency spare parts: such as key components of industrial equipment, which are crucial to the continuity of production. In this case, you must choose the shortest transportation method to minimize the losses caused by production.

　　In which industries are international air transports used?

　　Express logistics industry:

　　The rapid development of e-commerce has made express logistics one of the most widely used areas for international air transport. Because small e-commerce parcels are relatively light, the cost of air transport is not too high. At the same time, freight efficiency greatly improves, better meeting the logistics requirements of e-commerce buyers and increasing the transaction rate of products.

　　International trade industry:

　　International air transport plays an important role in the field of international trade. For high-value goods with high freshness requirements, such as fruits, flowers, seafood, etc., air transport has become the most commonly used mode of transportation. These goods are extremely sensitive to time requirements, and the speed of air transport can ensure that the goods are delivered within the shelf life, thereby maintaining the quality and value of the goods.

　　Medical and health industry:

　　Many industries widely use air transport in the fields of medicine and health. Air transport serves as the most effective mode of transportation for medical services that require quick delivery, such as emergency medical rescue and organ transplantation. In addition, air transport can also quickly deliver medicines, medical equipment, etc. to the destination to meet the medical needs of remote areas and and emergencies.

　　Passenger tourism industry:

　　As people¨s living standards improve, more and more people choose to travel by plane for tourism and business trips. Air transportation can provide efficient and comfortable transportation services to meet people¨s needs for time and comfort.

　　Defense and military industry:

　　In summary, international air transportation is very popular in many industries and plays an indispensable role. Its fast, safe, and efficient characteristics enable these industries to meet customer needs more effectively. However, to stand out in the market, they must also improve operational efficiency to maintain a competitive advantage in fierce competition.

　　In our lives, we will encounter various competitions in schools, enterprises, and other places. Each competition will inevitably have different awards. In addition to material rewards, custom medals, custom medallions, and trophies are also indispensable. So what should we pay attention to when customizing medals?Without exception, customized award Our customers are willing to purchase their products, because high quality is the concept of their products. https://www.karonmetal.com

　　1. Medal Style

　　When customizing the design of custom medals, it is necessary to integrate the desired design style based on the spirit of the event and corporate culture. At the same time, it’s essential to customize different types of products according to different scenarios, determining the product size and proportion of the medal. Ensure the size is coordinated, appropriate, and standard to maintain a cohesive look.

　　2. Medal Content

　　The customized surface content of award medals generally includes the company (school or organization) abbreviation, logo, theme, date, and other relevant information. It’s crucial to avoid overcrowding the surface with too much information, which can make it appear cluttered. Aim for simplicity while accurately and completely expressing the event and organizer’s details.

　　3. Medal Craftsmanship

　　The materials used to make custom medallions vary, leading to diverse production processes. For instance, metal medals can be produced using baking paint, imitation enamel, or non-coloring processes. The baking varnish process results in a surface with a distinct concave and convex feel, strong metallic texture, clear lines, and bright colors. Imitation enamel surfaces can be plated with gold, nickel, and other metals, resulting in a smooth, glossy finish. The non-coloring process, which does not apply color, emphasizes a strong three-dimensional effect, prominent pattern layers, and distinct electroplated colors.

　　4. Medal and Medallion Materials

　　The materials for customizing medals need to be chosen according to the customizer’s needs. Common materials include copper, iron, zinc alloy, and precious metals. Gold, silver, and other precious metals are more expensive. Customizers should select materials based on the requirements of different scenarios to ensure the medals and awards meet their standards and expectations.

　　Identifying the quality of LED electronic screens requires more than just looking at the main components like LEDs and ICs. While these components are crucial, they are not the only factors determining the screen’s overall performance and longevity. Here¨s a refined guide to help you make informed decisions when choosing an LED electronic screen:For the current market situation, led crystal film screen It has a very advantageous development prospect and an extremely superior ecological environment. https://szyhfled.com/

　　led screen quality

　　Common Misconception

　　Many people believe that the lifespan of LEDs and ICs, which can reach up to 100,000 hours, guarantees a screen¨s durability if it operates 24/7. However, this is a necessary but not sufficient condition. The proper use of red, green, and blue lamps, along with the optimal adjustment of ICs, plays a vital role in achieving a high-quality display. Just as a high-end engine doesn¨t guarantee a top-performing car, the key lies in how well all components work together.

　　Temperature Sensitivity

　　LEDs and ICs, being semiconductor devices, function best at around 25≧. However, in outdoor environments, temperatures can vary drastically, from over 60≧ in summer to below -20≧ in winter. Manufacturers often test products at 25≧, but real-world conditions can cause significant performance variations. For instance, at high temperatures, the brightness of LED lights may decrease unevenly, leading to a distorted or “flowery” display. Similarly, if the temperature in the cabinet exceeds 85≧, the IC may become unstable, further affecting the screen’s quality.

　　Power Supply Considerations

　　The power supply is another critical factor. Its stability, output voltage, and load capacity can vary under different temperatures, directly influencing the screen¨s performance. A reliable power supply ensures consistent operation and supports the screen¨s overall quality.

　　Cabinet Design

　　The design of the cabinet is equally important. It not only provides circuit protection and safety but also affects ventilation and heat dissipation. As the screen operates, thermal drift can degrade image quality over time, making effective heat management essential.

　　Environmental Impact

　　Outdoor LED screens face additional challenges, such as temperature fluctuations, UV radiation, and humidity. Over time, these factors can cause deformation in materials like ABS masks, iron boxes, and connectors, leading to issues such as light blockages, unreliable solder joints, and signal interruptions. The result is often a screen that fails to maintain its original quality and consistency.

　　Recently, market research firm YOLE Group pointed out in its latest market report that the AI-driven optical module market will see a year-on-year growth of 45%. It is expected that by 2024, the AI optical transceiver market in the data communication field will achieve a year-on-year growth of up to 45%, showing strong market vitality and broad development prospects.in fact 400g qsfp-dd Our related products were once praised by users, which is the best self-affirmation of the products. https://www.3coptics.com/

　　optical module market

　　The revenue of the optical transceiver market will drop slightly from $11 billion to $10.9 billion in 2022, but this is a temporary adjustment. With the continuous advancement of technology and the continued growth of market demand, the optical module market will rebound quickly and usher in a new growth peak. According to the YOLE Group’s forecast, by 2029, the total revenue of the optical transceiver market is expected to reach $22.4 billion, showing a strong growth momentum.

　　optical module market

　　These cutting-edge technologies, with their low power consumption and scalability, have greatly promoted the widespread deployment and application of high-speed optical technology. With the continuous development of technologies such as cloud computing, big data and the Internet of Things, the demand for high-speed and efficient data transmission is growing, which also provides huge development opportunities for the optical module market.

　　However, starting in March 2023, demand for 800G modules surged, driven by hyperscale customers, leading to significant growth in orders and shipments. Later in 2023, some companies also increased demand for 400G modules, reflecting the growing AI-driven market. Suppliers prepared for this growth by increasing production capacity and securing raw materials, positioning themselves for significant growth in revenue in both the 800G and 400G segments.

　　The optical transceiver market revenue declines slightly, from $11.0 billion in 2022 to $10.9 billion in 2023, but is expected to reach $22.4 billion by 2029, driven by high demand for high data rate modules above 400G from cloud service operators and national telecom operators. Revenue growth is expected to reach 27% in 2024, driven by large AI infrastructure orders and data center network upgrades to 800G.

　　The demand for 400G and 800G data communication transceiver modules has significantly promoted revenue growth. The industry is transitioning from 100Gb/s per channel to 800G links at 200Gb/s per channel to reduce power consumption and cost. EML and CW-DFB devices are ready for 200G/channel applications, while 200G/wavelength VCSELs are expected to enter volume production in 2026.

　　From the plastic restriction order to the plastic ban order, people’s environmental awareness is constantly improving. However, plastic bags are indispensable in supermarkets and homes, so more and more consumers are beginning to pay attention to biodegradable t-shirt bags and fully compostable t-shirt bags. So what are the characteristics of these bags, how do they degrade, and why is there such a significant difference in price?Hope for the future biodegradable dog poop bags It can achieve rapid and stable development and serve social development and people’s needs well. https://biodegradable-gd.com

　　Different materials

　　Ordinary plastic bags: The main raw material is polyethylene.

　　Biodegradable t-shirt bags: Synthesized by adding a certain proportion of starch, cellulose, photosensitizer, biodegradation agent and other raw materials to non-biodegradable polymer materials.

　　Fully biodegradable bags: PBAT and PLA (polylactic acid, a bio-based degradable material synthesized by fermenting corn into lactic acid and then polymerizing) and starch.

　　Degradation time is different. It takes 200 years for ordinary non-degradable plastic bags to degrade. The various eco-friendly t-shirt bags on the market all refer to those containing plastic components plus specific degradation masterbatch or degradation bacteria. Their form is disintegrated plastic, and there are still plastic molecular structures remaining in the soil and water. Under composting and landfilling conditions, fully eco-friendly t-shirt bags are completely degraded by microorganisms into carbon dioxide, inorganic salts and water within 180 days, directly entering the soil and being absorbed by plants; they can also be degraded in general environments and will not pollute the environment.

　　Biodegradable t shirt bags bulk

　　Biodegradable t shirt bags

　　Biodegradable t shirt bags for sale

　　After understanding the differences between these plastic bags, do you have a new understanding? Now let’s take a look at the advantages of fully biodegradable bags! Using fully biodegradable bags can greatly reduce white pollution; they can also be degraded under composting and landfilling conditions and serve as nutrients for plants. The bag is soft to the touch and uses special process film blowing technology, which has strong toughness and tensile strength; the degradation ability is better than other materials, the life is longer than paper bags, and the cost is lower than paper bags. In addition to the different ingredients, fully compostable t-shirt bags and ordinary plastic bags have the same functions. They can be beautifully printed, of moderate size, and can be packaged for many products. Fully compostable t-shirt bags are soft, wear-resistant, foldable, and have good texture. They can be recycled or composted.

　　Everyone should know how powerful full biodegradable t-shirt bags is, right? Green Dot Spring advocates the concept of green development and has been committed to the research and development of green production, degradable, recyclable, lightweight and reduced-volume products. Now, Green Dot Spring – a new fully biodegradable t-shirt bags has been launched on the market. New and old customers are welcome to consult and purchase!

　　With the acceleration of globalization and the flourishing development of e-commerce, international express delivery services have become an indispensable part of our lives.understand freight agents In order to better serve customers and reflect the core competitiveness of products. https://flyportt.com/

　　international express delivery

　　However, when sending international express delivery, we always encounter various problems.

　　Today, FLY is here to answer some common questions about international express delivery, making you more proficient in the shipping process!

　　1. How is the cost of international express delivery calculated?

　　The cost of international express delivery mainly includes freight, surcharges, and tariffs.

　　Freight is usually calculated based on factors such as the weight, volume, and destination of the item; Additional fees may include fuel surcharges, extra long and overweight surcharges, remote area surcharges, etc; Tariffs are calculated based on the destination country’s tariff policies and the value of goods.

　　2. What is a tariff? How to calculate?

　　Tariffs are taxes and fees levied by the destination country on imported goods. The calculation method of tariffs varies from country to country and is usually determined based on factors such as the value, type, and quantity of goods.

　　3. What items cannot be shipped through international express delivery?

　　Some prohibited goods, dangerous goods, controlled items, etc. cannot be shipped through international express delivery. In addition, items that are prohibited or restricted from import by the destination country may also be unable to be shipped.

　　4. How to choose a suitable international courier company?

　　Choosing a suitable international courier company requires consideration of multiple factors, such as price, speed, service quality, and reputation.

　　In addition, it is necessary to understand the transportation methods and channels of the courier company in order to better grasp the various links in the delivery process.

　　5. What should I do if the shipped item is damaged or lost during transportation?

　　If the shipped item is damaged or lost during transportation, the recipient can contact the courier company to file a claim. The specific claim process and requirements may vary depending on the courier company and the destination country.

　　6. How to avoid international express delivery being seized by customs?

　　The key to avoiding international express delivery being seized by customs is to understand the customs regulations and relevant laws of the destination country.

　　Before sending, it is necessary to carefully check the type, quantity, value, and origin of the items, and pay customs duties and value-added tax according to regulations.

　　7. What is the delivery time for international express delivery?

　　The delivery time of international express delivery varies depending on the mode of transportation and the destination country.

　　With the rapid development of information technology and the increasing demand for data transmission, optical communication technology plays a vital role in modern networks. DWDM technology greatly increases the data transmission capacity by using multiple optical signals of different wavelengths to transmit simultaneously on one optical fiber. The tunable optical module can switch between multiple wavelengths to achieve flexible and efficient wavelength management. The 25G Tunable DWDM tunable optical module combines these two technologies to provide higher data rates and greater adaptability.More importantly, put 800g qsfp-dd It is imperative for us to make thorough analysis and maximize its social function. https://www.3coptics.com/

　　5g fronthaul

　　ETU-LINK 25G Tunable DWDM 15km optical module adopts advanced 25G tunable optical chip, combined with the self-made tunable TOSA and self-made APD/PIN chip solution of internal separation solution, which ensures the module to achieve stable transmission of 25G 15km on single-mode optical fiber. In addition, the module supports 96-channel transmission and can complete automatic wavelength adjustment in a short time, greatly improving the efficiency of network operation and maintenance.

　　Product features:

　　High-speed transmission: The module supports 25.78Gbps high-speed data transmission, covers a single-mode optical fiber distance of 15KM, and the transmission optical power range is between 0~5dBm, ensuring good transmission eye diagram performance.

　　5g fronthaul

　　Flexible wavelength management: 96 channels are adjustable. When the optical power and eye diagram change, the wavelength adjustment is automatically completed within 3-5 seconds to ensure the correct wavelength and simplify network operation and maintenance.

　　5g fronthaul

　　Low power consumption design: The power consumption is less than 2W in commercial mode and less than 2.5W in industrial mode, meeting energy-saving standards.

　　3.jpg

　　Environmental adaptability: Commercial temperature range 0≧ to 70≧, industrial temperature range -40≧ to 85≧, meeting diverse environmental needs.

　　As people become more aware of the damaging effects of plastic on the environment, many are looking for ways to reduce their reliance on single-use plastics. One way to do this is by switching to compostable trash bags. These bags are made from 100% plant-based materials and are designed to break down quickly under specific conditions, such as heat and moisture. While they may not be suitable for all types of trash, they can be a great alternative to plastic bags for items like food scraps and yard waste. And, since they break down into organic matter, they are actually good for the environment. So if you¨re looking for ways to reduce your plastic usage, consider switching to compostable trash bags.After screening and investigation recycle trash bags It is likely to become a new force driving economic development. https://biodegradable-gd.com

　　1. How long does it take for biodegradable garbage bags to break down?

　　Biodegradable trash bags are a better eco-friendly alternative because they break down faster than regular trash bags. For example, biodegradable trash bags take about three months to break down in hot conditions, and six months to break down in cooler temperatures with little moisture. However, biodegradable garbage bags are not always eco-friendly and sustainable for our planet.

　　2. Do compostable bags biodegrade on their own?

　　Compostable and biodegradable are often used interchangeably. However, there are major differences between the two. Biodegradable bags are usually still ordinary plastic bags that contain microorganisms to remove plastic particles. These microplastics may take some time to disappear. Compostable bags are made of compostable materials such as corn starch and do not contain harmful substances, making them a more environmentally friendly choice. When choosing between the two, it is important to consider the intended use of the compostable garbage bags.

　　Green Dot Spring has always been committed to environmental protection, adhering to the concept of sustainable development, and has made a lot of contributions to protecting the earth’s environment through continuous innovation and efforts. First of all, we use degradable materials to produce our products and encourage customers to use this environmentally friendly material. Compared with non-degradable materials such as traditional plastics, degradable materials can gradually decompose into non-toxic organic matter in the natural environment and merge with the soil. They will not exist in the environment for a long time like traditional materials, causing a large amount of pollution and garbage. The use of degradable materials can also reduce resource consumption and energy consumption.

　　Secondly, Green Dot Spring implements “green production” to minimize the impact on the environment during the production process. We use efficient energy-saving equipment, optimize production processes, reduce the discharge of wastewater, waste gas and solid waste, and strictly abide by environmental protection regulations and standards to ensure that there is no pollution to the surrounding environment. At the same time, we also actively participate in community and public welfare activities, pay attention to social hot issues, promote environmental awareness and knowledge, and call on more people to join the environmental protection cause and contribute to the earth’s environment together.

　　Finally, Green Dot Spring is also constantly exploring and applying new technologies to improve product quality and production efficiency while reducing the impact on the environment. We believe that in the future development, only by adhering to the concept of environmental protection and promoting environmental protection technology can we achieve the goal of sustainable development.

　　In today’s competitive world, recognition plays a crucial role in motivating individuals and teams. Custom badges and medals have become popular tools for acknowledging achievements across various sectors. But are they really necessary for your organization? This article explores the benefits and considerations of using custom badges and medals to help you make an informed decision.Only by working together can we turn customized award The value of the play out, the development of the supply market needs. https://www.karonmetal.com

　　1. The Power of Recognition

　　Recognition is a fundamental human need. Whether in a professional, educational, or competitive setting, people thrive on acknowledgment for their efforts and accomplishments. Custom badges and medals serve as tangible symbols of this recognition, providing recipients with lasting reminders of their achievements.

　　Custom award medals recognition items can significantly improve morale and motivation. When individuals receive personalized acknowledgment, they feel valued and appreciated, leading to increased satisfaction and productivity.Fostering a Sense of Belonging Shared badges or medals create a visual representation of common experiences and achievements, fostering camaraderie and team spirit within an organization or group.Enhancing brand identity for businesses and organizations, customizable medals offer an opportunity to reinforce brand identity by incorporating logos, colors, and design elements that recipients will proudly display.

　　personalized medals.jpg

　　2. Applications of Custom Badges and Medals

　　Corporate Recognition Programs Many companies use custom badges and medals in employee recognition programs to acknowledge outstanding performance, years of service, or special achievements.

　　Educational Institutions Schools and universities often use custom items to recognize academic excellence, extracurricular achievements, and graduation milestones.

　　Sports and Competitions Customized medals add prestige to sporting events and competitions, making achievements more memorable for participants.

　　Military and Law Enforcement Custom badges and medals signify rank, special achievements, and acts of bravery in military and law enforcement organizations.

　　Non-Profit Organizations Non-profits use custom recognition items to acknowledge volunteers, donors, and supporters who contribute significantly to their cause.

　　Conferences and Trade Shows Custom badges can help identify attendees, speakers, and staff members at events, while also serving as collectible mementos.

　　3. Factors to Consider

　　Before investing in custom badges and medals, consider the following factors:

　　Budget custom award medals options typically cost more than standard off-the-shelf items. Evaluate whether the investment aligns with your financial goals and the perceived value they will bring.

　　Quantity Needed The number of badges or medals required can impact both cost and practicality. Larger quantities may make custom options more cost-effective.

　　Time Constraints Custom items often require longer lead times for design, production, and delivery. Consider your deadlines when making a decision.

　　Design Complexity Simple designs may not justify full customization, while intricate designs with multiple elements may benefit greatly from a custom approach.

　　Long-term Use vs. One-time Event Investing in custom designs may be more worthwhile for ongoing recognition programs than for one-time events.

　　Target Audience Consider the preferences and expectations of your recipients. Some may place higher value on custom items, while others may appreciate the recognition regardless of customization.

　　A brief introduction to COB packaging (chip on board packaging, COB)beyond doubt rental led display It will definitely lead the development direction of the whole industry and let its light bloom in this field. https://szyhfled.com/

　　1. What is COB:

　　COB, or Chip-on-Board, is a cutting-edge packaging method that differs from traditional SMD (Surface-Mount Device) technology. In COB packaging, bare chips are attached directly to the PCB using conductive or non-conductive adhesive. Electrical connections are established through wire bonding, after which the chip and bonding wires are encapsulated with a protective coating. Contrary to the belief that COB eliminates the need for packaging, this method actually streamlines the production process by integrating tasks typically performed by upstream and downstream companies. This means that everything, from packaging to the creation of LED display unit modules or complete display screens, is accomplished within a single facility. This integration simplifies production management, allows for smaller pixel pitches, enhances reliability, and significantly reduces costs, making high-quality LED displays more accessible.

　　The COB (Chip-on-Board) light source is an advanced high-efficiency integrated surface light technology where LED chips are directly mounted onto a highly reflective mirror metal substrate. This approach eliminates the need for traditional support structures, electroplating, reflow soldering, and patch processes, effectively reducing the production process by nearly one-third and cutting costs by the same margin.

　　Essentially, the COB light source is a high-power integrated surface light, with its light-emitting area and dimensions customizable to fit the design and structure of the product it is used in.

　　cob packaging

　　2. Advantages of COB packaging:

　　1. Ultra-light and thin: Tailored to meet customer requirements, PCB boards with thicknesses ranging from 0.4 to 1.2mm can be used, reducing the weight by up to one-third compared to traditional products. This significant reduction in weight helps lower structural, transportation, and engineering costs for customers.

　　2. Anti-collision and pressure-resistant: In COB products, the LED chip is encapsulated directly into the recessed lamp position on the PCB board, followed by encapsulation and solidification with epoxy resin. This process results in a smooth, hard, and slightly raised spherical surface at the lamp point, making it resistant to collisions and wear.

　　3. Wide viewing angle: COB packaging utilizes shallow, well-spherical lighting, offering a viewing angle of over 175 degrees, nearly reaching 180 degrees. This design provides superior optical diffusion and a more uniform light effect.

　　4. Bendable: Bendability is a distinct advantage of COB packaging. The PCB’s flexibility ensures that bending does not damage the encapsulated LED chip. This makes COB modules ideal for creating LED curved, round, or wavy screens, perfect for personalized displays in bars and nightclubs. The modules allow for seamless splicing, and simple construction, and are more cost-effective compared to traditional display modules and flexible circuit board-based LED special-shaped screens.

　　5. Superior heat dissipation: COB products efficiently dissipate heat by encapsulating the LED directly onto the PCB board. The copper foil on the PCB board rapidly conducts the heat from the LED chip, while the thick copper foil and stringent gold plating processes prevent significant light attenuation. This results in minimal dead pixels and greatly extends the lifespan of the LEDs.

　　6. Wear-resistant and easy to clean: The lamp surface is convex, forming a smooth, hard, and wear-resistant spherical surface. If a pixel fails, it can be repaired individually. Without a mask, the surface can be easily cleaned with water or a cloth, making maintenance straightforward.

　　7. All-weather durability: With triple protection, COB products excel in resisting water, moisture, corrosion, dust, static electricity, oxidation, and UV light. They are built to perform under extreme weather conditions, from -30＜C to +80＜C, ensuring reliable operation year-round.