We all know that the paper rope is a material made of paper rope. Therefore, the paper-carrying ropes are mostly used for construction purposes on the construction site; there are also paper-feeding r......

The flat sling is light in weight, easy to use, and has a wide bearing surface, which reduces the pressure on the surface load and does not damage the surface of the object being suspended. The flat s......

Conventional sling belt (synthetic fiber sling belt), generally made of high-strength polyester filament, has multiple advantages of high strength, abrasion resistance, oxidation resistance, UV resist......

We have a lot of plastics in our daily life. Many things are made of plastic, but we also know that there are many kinds of plastics, but how should we identify so many materials?...