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    • OUTONG GROUP ZHEJIANG PETROCHEMICAL VALVE CO., LTD

    • DATONG RECIPROCITY GROUP CO.,LTD.

    • DATONG RECIPROCITY GROUP CO.,LTD.

    • JIANGSU CHENGGONG VALVE TECHNOLOGY CO.,LTD

    • ZHEJIANG BEIZE VALVE TECHNOLOGY CO.,LTD.

    • GRANDE-TEK FLOW CONTROL CO.,LTD

    • YOUFUMI GROUP

    • BAOYI GROUP

    • SHANGHAI POWER PLANT VALVE FACTORY CO.,LTD

    • NAIFULONG VALVE INDUSTRY CO.,LTD

    • WENZHOU HUAHAI SEALING CO.,LTD.

    • CEPAI GROUP CO., LTD

    • XINTAI VALVE GROUP CO., LTD.

    • ZHEJIANG ARTECH MACHINERY TECHNOLOGY CO.,LTD.

    • WENZHOU ZHENGHAI SEALING CO., LTD

    • SHENGLI VALVE CO., LTD.

    • USA TIANGONG VALVE GROUP CO. LTD

    • JIANGSU SUYAN VALVE MECHINERY CO.,LTD.

    • SHANGHAI HIGH & MEDIUM PRESSURE VALVE CO.,LTD

    • CHINA LIANGGONG VALVE GROUP

    • YUMING VALVE GROUP CO., LTD.

    • AOGONG VALVE CO., LTD.

    • FANDDUN INSTRUMENT VALVE CO.,LTD.

    • JINGONG VALVE CO.,LTD.

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