Qingdao Yili Steel Structure Co., Ltd. is a large scale professional steel structure company integrates the designing, production and installation. Our company is located at the Northern Industrial Zone of Qingdao City, the new hot spot for economy and investment. With a total building area of 10,000 square meters, our company boasts much domestically advanced equipment, such as two steel structure automatic welding lines, two color steel molding lines, production lines for the C-section ...