Water supply PVC-U pipes and fittings are made by polyvinyl chloride (PVC) resins and the additives necessary for the manufacture and performance requirements of the Standard.

Construction & Investment Baosu has advanced Germany Battenfeld PVC pipe extruders , PVC mixing system and forming socket equipment.

Baosu™ PVC-U pipe is made by advanced production process and non-lead formula. Baosu™ PVC-U pipe is non-lead, and have been inspected and tested by Institute for Environmental Health and Related Product Safety Chinese Center for Disease Control and Prevention, Hebei Provincial Epidemic Prevention Station, Jiangsu Provincial Epidemic Prevention Station, which showed that the products respectively conform to the related standards.

PVC-U pipe for water supply and fittings following below standards:ASTM D 1785, BS 3505 , DIN8061, ISO4422, ISO3633, AS/NZS1477,etc.