PPR valve and fittings 1.material:ppr,brass 2.size:20,25,32 3.certification:ISO9001-2008 4.OEM service PPR valve and fittings1.material:ppr,brass2.size:20,25,323.certification:ISO9001-20084.OEM serviceApplication:buildings, hospitals, hotels, schools, office buildings and shipbuilding2) Pipe networks for rainwater utilization systems 3) Pipe networks for compressed air plants 4) Pipe networks for ...