Our corporation is leading company in steel structure line and firstly received ISO9000 series certificate, mainly deal in design, fabrication, erection and service of the steel space frame, steel structure, roofing system, membernestructure, cladding sheet and sandwitch pandel, construction design, consultant, and as one of the biggest construction contractor in China, has finished more than 6000 projects range from the airport, theater, stadium, coal warehouse, gas service station, exihibition center, hangar or others large span steel structure.