Sinosteel Stainless Steel Pipe is one of largest Stainless Steel Pipe and Special Alloy Pipe manufacturer in china.Production capacity reaches 200,000 tons.Material: (Supeer)Austenitic stainless steel,(Supeer)Duplex stainless steel, Nickel Based Alloy,Titanium and Titanium Alloy,Copper Alloy, Bimetal Composite https://www.sinosteel-pipe.com/en/material.html