1)Name:plastic pneumatic ball valves 2)Materials:PVC-U,CPVC,PP 3)Certificate:CE, ISO9001: ... 2008 4)Standard:DIN,ANSI,CNS,JIS 1) Name: plastic ... widely used in chemistry, electron, metallurgy, plastic, electroplate, irrigation, treatment Sewage, engineering of Recycled water, Aquatic Culture, civil using Construction.We can ...