Tomson PVC Drainage Pipe 1.Raw material:CPVC 2.Standard:BS,DIN,ISO, ... -400mm(1/2"-4") 4.Color:Grey;yellow Tomson PVC Drainage Pipe1.Raw material:CPVC2.Standard:BS,DIN,ISO,ANSI3.Size ... .16 years producing experience7.Earliest manufacturer for plastic in China.Exported to many countries including USA,Canada,Spain,France... PVC Drainage Pipe