• Zhengzhou Tech-valve Co.,LTD

    We, Zhengzhou Tech-valve Control Co., Ltd (ZZTVC), is committed to industrial valve in the research, development, design, manufacturing and sales, Main Valve Product manual Valve( Butterfly , Ball Valve, Gate valve, Globe Valve) automatic (Electric Pneumatic Swing Check Safety Steam Trap ...

    Telephone:86-0371-86075680Address:China

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