1,Tracking service 2,ISO,IEC,GB 3,Material is pure pvc 4,Professional QC system,the quality very top Australia Standard electrical pvc pipes 1,Tracking service2,ISO,IEC,GB3,Material is pvc4,Professional QC system,the quality very top5. Strong Compressive Resistance: Our PVC pipe can withstand the pressure above 750 N. It can install the outside and inside of beton.6.Powerful fire resistance:The ...