Profile: Qingdao billion legislation Steel Engineering Co., Ltd. specializes in the design, production and installation of steel structures. We are an ISO 9001:2000 certified company. We process and distribute raw materials for steel structure and welding H-section steel. We design, produce and install various light steel-structured gymnasium, industrial workshop, warehouse and high-rise structure. We also design and produce riveting & welding parts. We distribute cable roller, and welding steel flasks for casting. We are fully equipped with advanced equipments such as steel structure automatic welding lines, two color steel molding lines, production lines for the C-section & Z-section steel purline, and various production equipments for automatic cutting & welding.