中国, 上海关闭 美国, 中环
翻转交叉Material classification of jackets
Material classification of jackets 1. Two-layer laminated fabric - only a waterproof and breathable layer is compounded under the outer fabric. When making clothing, a layer of lining needs to be added inside to protect the waterproof and breathable…
Types of jackets
Types of jackets Ultra-light, lightweight functional outerwear: These jackets are so lightweight that they can be rolled up and carried in a ball, and the materials used in these jackets are almost perfectly adequate for fast marching, orienteering,…
the characteristics of the jacket
the characteristics of the jacket The so-called professional waterproof means that whether you are sitting in a wet place or walking in a windy and rainy environment, it can effectively block the invasion of rain and frost and snow, so that water cannot…
Problems faced by LED traffic lights
Problems faced by LED traffic lights 1. The application of high-power LEDs has the advantage of greatly reducing the number of LEDs, but heat dissipation and cost are problems that need to be solved. 2. Although the light intensity index, electrical…
Characteristics of LED traffic lights
Characteristics of LED traffic lights 1. Good visibility: LED traffic lights can still maintain good visibility and performance indicators under harsh weather conditions such as continuous light, rain, and dust. The light emitted by the LED is monochromatic…
