Antai San Ying is vigorously building a research and pilot-testing base for welding materials at China Iron & Steel Research Institute, paving the way for high-quality development!

Environmental Management System Certificate - Chinese

Environmental Management System Certificate - English

Occupational Health and Safety Management System Certificate – Chinese

Occupational Health and Safety Management System Certificate - English

Quality Management System Certification Certificate - Chinese

Quality Management System Certification Certificate - English

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Business license