Customers can specify the kinds of raw materials we use according to their special needs.

In recent years, in addition to high-quality nitrided steel 38CrMoAlA, other excellent steels have been more and more widely used in the production of screw barrels for special purposes. For example, the screw barrel made of SKD61, DC53 alloy steel and 303 stainless steel has been applied in engineering plastics, microelectronic plastics, food machinery and other fields.