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Special Grade A Design Qualification for Environmental Engineering

Special Grade A Design Qualification for Environmental Engineering

Municipal Water Supply and Drainage Design Qualification Class B

Municipal Water Supply and Drainage Design Qualification Class B

Foreign general contracting qualification

Foreign general contracting qualification

Municipal Public Works General Contracting Level 2 Qualification

Municipal Public Works General Contracting Level 2 Qualification

First-class qualification of environmental protection engineering professional contracting

First-class qualification of environmental protection engineering professional contracting

Domestic Sewage Class B Operation Qualification

Domestic Sewage Class B Operation Qualification

Class B qualification for industrial wastewater operation

Class B qualification for industrial wastewater operation

Engineering Consulting Industry Grade B Credit Qualification

Engineering Consulting Industry Grade B Credit Qualification

ISO9001 quality system certificate

ISO9001 quality system certificate

ISO14001 Environmental Management System Certificate

ISO14001 Environmental Management System Certificate

GB-T28001 Health Management System Certificate

GB-T28001 Health Management System Certificate

safety production license

safety production license

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