Qingdao Baoduo Steel Structure Co., Ltd. is a professional steel structure company with special qualification of  steel structure. Locate in Qingda industrial park & established in 2001,we mainly specialized in light or heavy steel structure designing, manufacturing & installing.With floor space of 26000,  workshop area 15000, we own the light/heavy H steel production line, BOX production line, C/Z purlin production line and various types of profiling steel sheet machines. The annual production capacity: main steel structure 20000 mts,  secondary steel 15000 mts , various profiling steel sheet 300000 sq.m every year.Quality first; Lead-edge technologies, make continual innovations is our entrepreneurial concept. Through 10 years of accumulation and deploitation, we have formed our own complete set of building system for  the wall and roof of steel structure, also accumulated rich experience in the waterproofing and insulation technology, which help to supply quality assurance to our clients.