wenan shijishenghua industry factory
Plastic ball valve, plastic ball valve, PPR ball valve, pvc valve, PVC ball valve, Manufacturer and Supplier - China(CN)
details 1) Light weight, easy to load and unload 2) Good chemicals and drugs resistance 3) Small resistance to fluidity 4) Strong mechanical strength 5) Good electrical insulation 6) Water quality unaffected 7) Simple installation 1) Diam... - Update: 2009-07-26