... SS, 304/316/316L 4 Processing: CNC Stainless Steel Mini Ball Valve 304/316/316L:1 DN8~DN25(1/4"~1")2 ... Processing: CNC5 Technology: Investment Cast 6 Suitable medium: water, oil, air and some corrosive liquid Cangzhou Shengtong Stainless Steel Products Co ... series. .Valves such as 1pc ,2pc,3pc ball valves,gate valves,check valves,globe valve,flanged valves,Y-strainer,sanitary butterfly valves ...