Zhejiang Taizhou Triunion Co., Ltd. as a member of Hongtu group, is a union corporation, which specilize in producing and selling High Quality PVC Pipe and Fittings, PVC Valves, PPR Pipe and Fittings, PP Compression Fittings, HDPE Pipe and Fittings, SMC Composite Manhole Cover Series Products with Hongtu Plastic Product Co., Ltd, Yinyida Pipe and Fittings Co., Ltd. Resin Chemical Co., Ltd. Sanfa ...
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