Hebei glass manufacturers of steel - Hengshui hengnai industrial and commercial business scope of glass steel anti-corrosion Engineering Co. Ltd.: glass steel anti-corrosion insulation engineering, installation engineering, waterproof engineering, water treatment engineering, steel structure engineering, building decoration engineering construction, construction and installation engineering, professional construction engineering floor doors and windows; installation; construction materials, metal materials, mechanical and electrical equipment, environmental protection equipment, water treatment equipment, stainless steel products, plastic products, anti-corrosion insulation materials, glass steel products, glass products, pipeline equipment and accessories sales; self and agent general business items of goods import and export business