Zhejiang Huayi Piping Systems Co., Ltd.spent on introducing advanced foreign production lines and has been implementing the ISO9001:2000 International Quality Management System. Its PP-R pipes, PPR-AL-PPR/PPR-AL-PE composite pipes, Stainless steel PP-R composite pipes, Copper PP-R composite pipes, PE-RT, PE-X Pipes and pipe fittings,PEX-AL-PEX pipe,valves, tools, cutter, welding machine, have taken a great market share and have been well...
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