Qualification Certificate

Business License

Permit License

Enterprise Credit Registration

3A Certificate

Member Of China Building Energy

Conservation Association

5A-level Certification Of Contract Energy Management Services (Chinese)

5A-level Certification Of Contract Energy Management Services (English)

M&E Construction General Contractor Second Grade

Building Construction Project General Contractor Second Grade

Building electrical and mechanical installation Third Grade

Petrochemical General Contractor Third Grade

Certificate Of Quality Management System ISO 9001:2015 (Chinese)

Certificate Of Quality Management System ISO 9001:2015 (English)

Certificate Of Environmental Management System ISO 14001:2015 (Chinese)

Certificate Of Environmental Management System ISO 14001:2015 (English)

Certificate Of Occupational Health And Safety Management System : GB/T 45001-2020/ISO 45001:2008 (Chinese)

Certificate Of Occupational Health And Safety Management System : GB/T 45001-2020/ISO 45001:2008 (English)

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