Stainless Steel Pipe:Materials:304,304L,316,316L,321,310S and etc,Surface finish: Annealed/cold pilgered / manual polished Pipe DescriptionHebei Shengya Pipe Fittings Co., LtdOur company is located in China pipe fittings production base, the industrial area in Yanta Road of Yanshan County of Hebei Province.Our production has obtained the certificates of ISO9000 and ISO14000 international quality ...