PVC-U DRAINAGE PIPES AND FITTINGS

Aformula by adding unique additives to polyviny chioride resin was introduced to guarante that the quality of products after extrusion and injectionmolding meets the applicable national standards. In partioular, a series of new envitonment-friendy soundprooing and ant-noise drainage pipes.double layer hollow walliner spiral soundprofing drainage pipes, double layer hollow wall soundproofing and anti-noise drainage pipes, doublelayer holow wall inner spiral soundprooting dranage plpes, double layer hollow wall soundprooing and anti-noise drainage pipes,imer spiral,soundproofing and anti-noise drainage pipes and fittings have been put on the market.