stainless steel welded tube TP: 304,304L,316,316L. annealing,pickling, polishing,welded and seamless. ASTM, JIS, DIN, GB The main products are stainles steel welded tube from 1 ... can also supply the stainless steel pipes according to the demands of the customersTP: 304,304L,316,316Lannealing,pickling, polishing,welded and seamless