... Technics: Extrusion Environmental: Friendly Zhejiang Yu Wo Pipe Industry Co., Ltd. is a research and development and production of ... pipe, pipe fittings, glass fiber reinforced FR-PPR pipe, new nano-antibacterial PP-R pipe, PP-R aluminum-plastic composite pipes, HDPE pipe, pipe ... fittings, U-pvc pipes, PE - RT heating pipe, copper fittings, copper inserts ...