Coal bunkers in coal mine production are basically made of concrete, and their surface is not smooth, the coefficient of friction is large, and the water absorption is high, which are the main reas...
1. Differences in application.
Scale of use of PE sheet: widely used in chemical industry, machinery, chemical industry, electricity, clothing, packaging, food and other professions. It is widely u...
Nylon is a popular material used in the manufacture of non-standard parts due to its high strength, durability, and flexibility. These non-standard parts are typically custom-made to meet specific ...