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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
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
Trademark registration certificate
Issuing authority : State Intellectual Property Office
Valid period : 2020/4/7 - 2030/4/6
EN1090
Certificate No : no 1697
Issuing authority : Bureau Veritas Latvia Ltd
Valid period : 2017/10/3 - 2020/10/2
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