Shanxi Yuncheng Hongxin Ventilation Equipment Co., Ltd locates in the east of the Yellow River with long history of civilization. It is between two large high-tech development zones of Salt Lake and Xia County. Three main lines, including 209 National Highway, Datong-Yuncheng Highway and Yuncheng-Sanmenxia Highway go across this place. In addition, it boasts of convenient transportation and communication. The time-honored culture of Shanxi merchants exerts influence on operation principle of modern people in the east of the Yellow River.