Cangzhou Mingzhu Plastic Co., Ltd is one of the top leading companies in China specializing in research and manufacture and export of HDPE pressure pipe system such as PE gas pipes, PE water distribution pipes and PE pipe fittings: PE electrofusion fittings, PE moulded fittings, BOPA film, PE ball valve, PE/steel transition fittings and telecommunication conduits including silicon-core pipe, sub-pipe and optical fiber conduits etc. we have awarded the certificate of ISO9001-2000 International Quality Management System and ISO14001 Environmental Management System.