Qingdao Histro Steel Towers Co., Ltd. is headquartered in Beiguan Industrial Park Jiao Zhou City, Qingdao; our production base takes up an area of 120,000 square meters. There are 480 regular staff members in our company now, among whom 100 professional personnel. In the past three years, our company has annual sales of more than US$200 million . Since our company was set up in Aug. 2001, we have built up more than 2000 broadcast communication towers with height between 50 and 200 meters in the whole country, as well as over 5000 power towers for transmission electricity. Our Company and has branches in Beijing, Inner Mongolia, Chongqing and Xinjiang. The indexes of the towers, such as vertical degree, reach or exceed the national standards. Security management consciousness must be heightened. A consistent total management with various systems would be formed to form a running-system which unites duty, power and benefit.