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ISO9001 CERTIFIED
CE CERTIFIED
API CERTIFIED
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Standard:API Number:2015.313 Issue Date:2017-07-13 Expiry Date:2020-07-13 Scope/Range:WELDED TUBES AND PIPES Issued By:Amercian Petroleum Institute |
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Standard:ISO9001 Number:02616Q20045R5M Issue Date:2016-01-05 Expiry Date:2018-09-04 Scope/Range:SOUND BARRIER,GUARDRAIL,PIPES,SOLAR STENT ETC. Issued By:Beijing Tianyizheng Certification Company |
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Standard:CE Certificate Number:0B150504.JGZUW37 Issue Date:2015-05-04 Expiry Date:2020-05-03 Scope/Range:highway guardrails Issued By:ECM |