The company is a professional manufacturer of precision super wear-resistant screws and barrels. The company's products are all over the world. The main materials of the product are all made of high-quality special alloy steel for screw, processed by multiple processes such as quenching and tempering, nitriding, etc., with high precision, long service life, wear resistance, and excellent corrosion resistance. The company has strong technical force and advanced production technology and equipment. It can not only process and manufacture samples, but also design, survey and manufacture according to the special requirements of customers, and use bimetal to repair old barrels and screws. Bimetal screw The service life is 2-3 times longer than that of ordinary nitrided screws