Ningxia Dadi Recycling Development Co., Ltd. (hereinafter referred to as "Dadi Company") is located in the Pingluo Industrial Park Development Zone. It was established in 2002 and covers an area of approximately 8,000 mu. It has more than 7,600 employees and total assets of 13 billion yuan. In 2019, it will achieve an output value of 8 billion yuan and a tax of 320 million yuan. Dadi Company is one of the 60 leading enterprises in Ningxia, a key representative enterprise of Ningxia's circular economy, a private enterprise in China and a top 500 chemical company in China, and it ranks third among private enterprises in Ningxia. In 2017, it was listed as the first batch of "green manufacturing" by the Ministry of Industry and Information Technology of the People's Republic of China. "Demonstration Enterprise", was listed as the second batch of "Resource Comprehensive Utilization Demonstration Enterprises" by the Autonomous Region's Ministry of Industry and Information Technology in 2019. In 2018, Shenzhou Tire was rated as the "High-tech Enterprise" in the Autonomous Region, and PVA and other products were rated as the Autonomous Region's "Leading Demonstration Enterprise" in 2019. product".Dadi has four companies under its jurisdiction: PVA, calcium carbide, silicomanganese, and high-strength and high-modulus water-soluble fiber, and Ningxia Tianrui Heat Energy Manufacturing Co., Ltd., Ningxia Kunhui Gasification Co., Ltd., Ningxia Kunshui Cement Co., Ltd., and Ningxia Shenzhou Tire Co., Ltd. , Ningxia Taikang Pharmaceutical Co., Ltd., Ningxia Dadi Tongda Logistics Co., Ltd. 6 subsidiaries.  At present, Dadi Company can produce 22 products, including power generation of 4.5 billion kWh, 3.5 million tons of steam, 130,000 tons of polyvinyl alcohol (PVA), 240,000 tons of vinyl acetate, 10,000 tons of high strength and high modulus (water-soluble fiber), 750,000 tons, 600,000 tons of active lime, 330,000 tons of silicomanganese alloy, 1 million tons of environmentally friendly cement, 750,000 tons of clinker, 180,000 tons of ammonium bicarbonate, 50,000 tons of carbon dioxide, 100,000 tons of liquid ammonia, and 50,000 tons of methanol Tons, 2.4 million all-steel radial tires, 80,000 tons of steel cords, 40,000 tons of carbon black, 200,000 tons of lime nitrogen, 60,000 tons of dicyandiamide, 3,000 tons of cyanamide, 1,800 tons of creatine, aminoguanidine carbon Salt 1500 tons.