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Supplier Assessment
Issuing authority : Alibaba.com
Valid period : 2015/7/24 - 2016/7/24
Alibaba.com Assessed Supplier
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HGV认证证书
Certificate No : 05313Q20633R1M
Issuing authority : 北京恩格威认证中心
Valid period : 2013/12/26 - 2016/12/26
热镀锌高频直缝焊管的生产 （Hot dipped galvanized steel pipe producing ）
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BV certificate
Certificate No : 10592862-P+T
Issuing authority : Alibaba
Valid period : 2015/7/23 - 2016/7/23
Director For Burea Veritas Certification Greater China
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ISO9001(2008)
Issuing authority : NGV
Valid period : 2013/12/26 - 2016/12/26
Quality Management System (GB/T19001-2008/ISO9001:2008)
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API Certification
Certificate No : 5L-0552
Issuing authority : American Petroleum Insitute
Valid period : 2007/1/22 - 2016/1/22
Certificate of Authority to use the official API Monogrom
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