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Qualification
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
