... ,304L,316,316L,321,310S and etc,Surface finish: Annealed/cold pilgered / manual polished Pipe DescriptionHebei Shengya Pipe Fittings Co., LtdOur ... Republic of China. Commodity:Stainless Steel PipeProcess method:Cold drawing/cold rollingSurface finish:Annealed/cold pilgered/manual polished/mechanical polishedMaterials:304,304L,316 ...