1)stainless steel electric valves 2)stainless steel 3)various sizes 4)DIN,ANSI 5)CE,ISO9001:2008 stainless steel electric valvesMaterials: stainless steel High quality,Clear, light weight, rustless, oxidation ... , treatment Sewage, engineering of Recycled water, Aquatic Culture, civil using Construction.We can make any style plastic products according to clients ...