SUMWIN company’s main products include stainless steel big pipes, thick pipes, rectangular pipes, round pipes, square pipes and cone pipes. Main materials include 201,202,304,304L,316,316L,409etc.Main applications include waste water treatment, machinery making, decoration pipes; special pipes for automobile exhaust pipes, various kinds of vehicle bumpers; food hygienic pipes, thin-wall water pipes etc. can be custom-made to your required length, thickness, diameter, quantity and so on.