COMPANY PROFILE：       Zhejiang Smart Pipeline CO.,LTD / Zhejiang Smart Import and Export Ltd .       A professional supplier specializing in plastic valves and pipe fittings . We are manufacturing and offering PVC ball valves, Plastic Injection Moulds (especially for the PVC fitting and valves Molds) PVC fittings and Brass Inserts, HDPE/PP compression fittings and PPR pipe fittings .       We are constantly developing and opening up new areas of business, trying to get low-cost spare parts in-house and offer our customers competitive products. So, for exampl...