... ,316,304L,316L2) Round, Square, Rectangular3) Polish: 80#,180#,240#,320#,400#,500#,600#4) Packing: plastic bags, ... R&D, manufacture and sales of stainless steel products, Mainly manufactures and sells stainless steel decorative pipes(e.g. round pipe ... to 3.0,), industrial stainless steel welded pipes, special-shaped pipes, stainless steel products as well as stainless steel plates. Our products are ...