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  • ISO9001:2015

    Certificate No : USA19Q40139R0M

    Issuing authority : 北京东方纵横认证中心有限公司

    Valid period : 2019/1/10 - 2022/1/10






    This Quality Management System is Valid for the Fabrication of steel structures.


  • BS OHSAS 18001:2007

    Certificate No : USA19S20140R0M

    Issuing authority : 北京东方纵横认证中心有限公司

    Valid period : 2019/1/10 - 2021/3/11

    This Quality Management System is valid for the Fabrication of steel structures

  • Trademark registration certificate

    Issuing authority : State Intellectual Property Office

    Valid period : 2020/4/7 - 2030/4/6







    The trademark registration certificate is a legal document issued by the State Trademark Office to the trademark registrant to prove the scope of the exclusive right to use the trademark in accordance with the relevant provisions of the trademark law. The main contents recorded in the trademark registration certificate include: trademark (pattern), trademark registration number, name and address of the trademark registrant, goods or services approved for use by the registered trademark and their categories, and the starting and ending date (validity period) of the exclusive right to use the trademark.


  • Trademark registration certificate

    Issuing authority : State Intellectual Property Office

    Valid period : 2020/4/7 - 2030/4/6







    The trademark registration certificate is a legal document issued by the State Trademark Office to the trademark registrant to prove the scope of the exclusive right to use the trademark in accordance with the relevant provisions of the trademark law. The main contents recorded in the trademark registration certificate include: trademark (pattern), trademark registration number, name and address of the trademark registrant, goods or services approved for use by the registered trademark and their categories, and the starting and ending date (validity period) of the exclusive right to use the trademark.


  • EN1090

    Certificate No : no 1697

    Issuing authority : Bureau Veritas Latvia Ltd

    Valid period : 2017/10/3 - 2020/10/2







    En1090 certification is an audit of steel structure enterprise system. Mainly assess the quality control ability of the enterprise. It mainly includes: qualification of welding personnel, material certificate, quality control document, establishment of welding system, product inspection, etc.