Sinosteel Stainless Steel Pipe is one of largest Manufacturer and Supplier of Stainless Steel Pipe and Special Alloy Pipe in china.Material: (Super)Austenitic stainless steel,(Super)Duplex Stainless Steel, Nickel Based Alloy, Titanium and Titanium Alloy, Copper and Copper Alloy, Bimetal Composite. https://www.sinosteel-pipe.com/en/aboutus.html