QingDao QingGuan valves co.,LTD -

QingDao QingGuan valves co.,LTD

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knife gate valve
Specification: DN50-DN600
Detail: Qingdao Qingguan Valves Co.,Ltd is located in Qingdao Pingdu City, Shandong Province, was founded in 2012, mainly produces soft sealing valve, knife gate valves, butterfly valves, check valves, fittings and other products. Dia...


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