Due to the excellent performance of the Cast Nylon Boards, they have been widely used to replace the nonferrous metals for building wear-resisting parts and hardware,such as steel. Copper,aluminium alloy ,babbitt metal, stainless steel and etc. They are maily applid in oil,chemical engineering,light industry, railway,mining ,metallurgy,building, textile,paper-making,shipbuilding,water-power engineering, sewage treatment ,military industrial machinery and etc , It can be machined as gear,turbine.bearing, impeller,instrument board, drive axle,valve,vane,lead screw,high pressure washer,screw, nut,seal ring,shuttle, sleeve ,sleeve connector and etc,and they have showed significant economic benefit and social benefit.