Siwei Industry Co. Ltd is a hi-tech enterprise that produces and distributes plastic pipeline. Siwei's main products are aluminum plastic complex pipe, PP-R service pipe, PE wire cannula and fittings. All products have passed quality tests of appointed Test Center and Disease Prevent Sanitation Test Center. Technical indexes achieve stateâ??s standard. Products are highly appreciated MINISTRY OF CONSTRUCTION P.R. CHINA. We focus on health protected products & have established a network throughout China and South East Asia. SIWEI Industrial CO., Ltd services all customers under tenet of "high quality consummation"