Certificates

Serving various industries with high quality and cost effective overhead cranes for automotive manufacturing, mobile gantry cranes and port cranes, Zhonggong has obtained various certificates for our quality management, environment protection and safety.

  • ISO14001: 2004 Certificate
  • ISO9001: 2008 Certificate
  • OHSAS 18001: 2007 Certificate
  • OHSAS 18001: 1999 Certificate

Patent Certificates

  • Utility model patent for the connection between girder and end trucks of LX model single girder bridge crane
  • Utility model patent for a double-girder double rail ladle crane


  • Utility model patent for the girder of double girder bridge crane


  • Utility model patent for a waste handling crane with grab
  • Utility model patent for the box girder of bridge crane
  • Utility model patent for a limit protection device of electric hoist
  • Utility model patent for a waste grab bucket used on cranes
  • Utility model patent for a underhung trolley hoist of double girder crane
  • Utility model patent for a crane used in the primary machine room of power plant

    Henan Zhonggong Group Co.,ltd.

    Tel.: +86-373-8928888

    Fax: +86-373-8712958