CN
        Quality System
        • 2017.10

          Passed OHSAS18001 certification of occupational health and safety management system

        • 2017.10

          Passed OHSAS18001 certification of occupational health and safety management system

        • 2013.01

          Pass CRCC certification of railway products

        • 2012.06

          It was awarded the title of "Qingdao famous trademark" and "Shandong famous trademark"

        • 2009.05

          Won the national "high tech enterprise" certificate

        • 2010.07

          Awarded the title of "expert workstation" in Qingdao

        • 2010.10

          Awarded the title of "quality credit brand" of China Rubber Industry Association

        • 2011.12

          "Hailiwei brand sealing ring" is recognized as "Shandong famous brand" products

        • 2006.12

          Obtain ISO14001 environmental management system certification

        • 2005.07

          Passed ISO9001 and TS16949 certification

        • 2004.07

          Establishment of the company

        国产乱妇无码大片在线观看