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Building decoration professional contractor grade I

Building curtain wall professional contractor grade I

Building decoration special design level A

Building curtain wall design level A

Electromechanical installation professional contract grade I

Building intelligent project professional contractor grade I

Building waterproof professional contractor grade II

Quality management system

Environment management system

Occupational health and safety management system

Safety production license

Fire protection facility design and construction grade II

Guangdong technical safety protection system design, construction, maintenance qualifications

Steelwork professional contractor grade II

Metal doors and windows professional contractor III

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