Ningxia Yinxing Energy Co., Ltd. (hereinafter referred to as Yinxing Energy Co., Ltd.), whose predecessor Wuzhong Instrument Factory was founded in 1959, is a key enterprise of my country's designated production of automatic control valves and their accessories. The company's headquarter is located in the high-tech development zone of Yinchuan City, the capital of Ningxia known as the Jiangshang River, with the Yellow River in the east and Helan Mountain in the west. Aviation, railways and highways extend in all directions, and transportation is very convenient. The company has 9 branches or subsidiaries, and is now mainly engaged in the three main businesses of automated instrument manufacturing, wind power generation, and wind power equipment manufacturing.