Kua tāpirihia e te Hangarau Paipa a Youfa ngā raina whakaputa paninga kirihou

I te marama o Hūrae 2020, i whakatūria e Tianjin Youfa Pipeline Technology Co.,Ltd. tētahi peka ki Shaanxi i Hancheng, Porowini o Shaanxi. Kua tāpirihia kia toru ngā raina whakaputa paipa maitai whakapuru kirihou me ētahi raina whakaputa paipa maitai pania kirihou e rua.

I te marama o Mei 2021, i hangaia e te peka o Handan he awheawhe hou, i whakapai ake i ngā taputapu, ā, i tāpirihia e toru ngā raina whakaputa paipa maitai kua pania ki te kirihou hei whakawhānui ake i te kaha whakaputa. Haunga ngā raina whakaputa taketake e toru o te peka o Tianjin, e waru katoa ngā raina whakaputa paipa maitai kua pania ki te kirihou a Tianjin Youfa Pipeline Technology Co., Ltd. Ko te whānuitanga o ngā hua whakaputa e kapi ana i te DN15-DN2400, ā, ko te roa he 2.8-12 mita.

Ko ngā paipa maitai hiato pania kirihou ka taea te whakaputa ko: Paipa Rino ERW, Paipa Rino Konukōre Wera, Paipa Rino SSAW, paipa tuitui me ngā paipa tūhono. Ko te whakarōpūtanga o ngā hua ārai-waikura ko te epoxy taha-rua, te epoxy pania-roto, te epoxy pania-waho, te polyethylene pania-roto, te epoxy polyethylene o waho o roto, te epoxy o roto o waho 3PE, o waho 3PE me ētahi atu tukatuka ārai-waikura. Ka taea e te putanga ā-tau te neke atu i te 200,000 tana.