Ningxia Dida Chemical Co., Ltd. is located in Pingluo Industrial Park in the north of Ningxia Plain, covering an area of 8,000 mu. The company was established in September 2002, with more than 3,200 employees and total assets of about 6 billion yuan (Jiakunwei Company). The company has calcium carbide branch factory, polyvinyl alcohol branch factory, Tian Rui Power Plant, Ningxia Kunhui Gasification Co., Ltd. (namely synthetic ammonia chemical plant) and Ningxia Wei Kun Chemical Co., Ltd. (under construction). The main products are power generation, calcium carbide, liquid ammonia, ammonium bicarbonate, polyvinyl alcohol and so on. It is one of the 30 non-public industrial backbone enterprises in Ningxia Hui Autonomous Region, and also the key development enterprise of circular economy in Ningxia Hui Autonomous Region. Approved by the National Development and Reform Commission and other departments as the implementation unit of "Thousands of Enterprises' Energy Saving Action", it was included in the large-scale enterprise cultivation plan unit with sales income of more than 5 billion yuan in 20 10.