Shanghai General Metal Structure Engineering Co., LTD. was founded in 1985, it is an EPC innovative enterprise integrated with planning, design, fabrication and installation; it has Grade I qualification in construction EPC of building engineering, Grade I qualification in specialized contracting of steel structure projects, premium qualification in design and construction of building metal roof (wall), Grade A qualification in steel structure engineering design, Grade II qualification in specialized contracting of decoration engineering, and Grade III qualification in specialized contracting of electromechanical equipment installation engineering; it has passed the authentication of ISO9001, ISO14001 and OHSAS18001 international management systems.