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Why Can We Always Ensure Excellent Quality

Quality Control

Enterprise qualification:
Steel structure engineering professional contracting grade I
Manufacturing qualification of pressure vessel (including installation, repair and modification)
Environmental protection engineering professional contracting level 3
Municipal engineering general contracting level 3
Electric power construction general contracting grade III
Labor construction qualification
Transmission line iron tower production qualification
Foundation and foundation engineering professional contracting level I
Waterproof, anticorrosion and thermal insulation engineering professional contracting grade II
ISO9001:2005 International quality system certification
ISO14004:2015 Environmental management system certification
OHSAS18001:2007 Occupational health and safety management system recognition prove

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