stainless steel welded pipes TP: 304,304L,316,316L. annealing,pickling, polishing,welded and seamless. ASTM, JIS, DIN, GB The main products are stainles steel welded pipes from ... supply, sewerage system...etcwe can also supply the stainless steel pipes according to the demands of the customersTP: 304,304L,316,316Lannealing,pickling, polishing,welded and seamless ...