... material: CF8M/1.4408, CF8/1.4308 stainless steel 1 piece ball valve 3''(BV)1pc ball valve ss304/316:1 ... product conforms to the ANSI,API,DIN,BS,JIS international standard.We impress our customers by superior quality, perfect services, affordable ... with us for a brighter future.Qiancheng Stainless Steel Products Co.,Ltd, situated in foundry country of china---Cangzhou city, Hebei province ...