stainless steel welded pipes TP: 304,304L,316,316L. annealing,pickling, polishing,welded and ... . ASTM, JIS, DIN, GB The main products are stainles steel welded pipes from 1/2" to 12"Application:petrochemical plant, pulp paper ... system, water supply, sewerage system...etcwe can also supply the stainless steel pipes according to the demands of the customersTP: 304,304L,316 ...