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        ????This company of limited liability is re-organized form the former Xuzhou Mschinery General Factory,which belongs to Cnina Railway Construction of the director of the former Floating Seal Factory.It majors in the research,production and marketing of the floating seal pruducts. This product is made by pressuredie-casting technology and characterized with high hardness,com-pact microscopic structure and low friction loss.

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        ???????... 2020-10-20
        ?????????????... 2020-10-19
        ???????????????????... 2020-10-16
        ?????????... 2020-10-15
        ??????????????????????... 2020-10-14
         
         
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        E-mail??hengyajx@126.com
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        5566先锋影音夜色资源站在线观看_夜夜被公侵犯的美人妻_国产午夜一级鲁丝片_japanese55丰满熟妇