... fast construstion 3,Long service life steel structure bridge NameQingdao Yili Steel Structure & Engineering Co.,Ltd. ... ,garden shed ,guard room ,police kiosks ,kiosks ,stairs ,bridge, exhibition hall, prefab house ,storage ,garage ,oil station , ... the design of building structures: GB50009-2006*Construction quality acceptance of steel : GB50205-2001*Code of design ,construction and acceptance of ...