Zheng Jun Chemical Industry, formerly known as Inner Mongolia Yellow River Chemical Industry (Group) Co., Ltd., was acquired by Zheng Jun Energy in 2004 for 6,543.8+billion yuan, and invested more than 200 million yuan in technical transformation, adopting a number of advanced technologies and equipment. In May 2007, Zheng Jun Energy was recognized as "High-tech Enterprise in Inner Mongolia" by the Ministry of Science and Technology. With an annual output of 55,000 tons of PVC resin, 55,000 tons of caustic soda, 65,438+million tons of ferrosilicon alloy and 260,000 tons of calcium carbide, it has become a chlor-alkali chemical enterprise with a complete production system of calcium carbide and PVC.