Ningxia Dadi Circular Development Corp., Ltd. (hereinafter referred to as "Dadi Company ") is located in Pingluo Industrial Park development Zone. Founded in 2002, it covers an area of about 8, 000 acres, has more than 7, 600 employees and total assets of 13 billion yuan. In 2019 we achieved output value at ¥ 8 billion y, tax ¥ 320 million, the company is one of the leading enterprises in the 10 leading enterprises in Ningxia, it is the key representative enterprise of Ningxia circular economy. It's the top 500 of China's private enterprises and chemical enterprises in China, ranked third of private enterprises in Ningxia. In 2017 the company was listed as "Green Manufacturing Demonstration Enterprise'' by the Ministry of Industry and Information Technology as the first batch and was listed as "Demonstration enterprise of comprehensive utilization of resources"by Autonomous Region Department of Industry and Information technology in 2019, Shenzhou Tire was rated as "High-tech Enterprise" by the Autonomous Region in 2018. In 2019, PVA and other products were rated as "Leading Demonstration Products" by the Autonomous Region.

Polyvinyl alcohol branch With an annual output of 130, 000 tons, the PVA unit has developed 43 varieties of 5 series and can produce powder products of 10-160 mesh at the same time. Its market share in the domestic polyvinyl alcohol industry is 24%, ranking the second in the industry. In 2019, it was rated as the "industry-leading demonstration product" of the Autonomous Region by Ningxia Department of Industry and Information Technology. At present, 300 customers in more than 20 provinces in the domestic market, more than 30 enterprises in more than 20 countries in the foreign market, such as Wacker in Germany, Anhui Xin in Italy and so on, are using our products.

Relying on the qualifications of Dadii Chemical Research Institute and National Laboratory, we are cooperating with colleges and universities to develop downstream high-end INDUSTRIES of PVA, such as PVB(automobile, construction, photovoltaic), polyvinyl alcohol optical film, POLYvinyl alcohol as dispersant for PVC suspension polymerization, polyvinyl alcohol fiber with high strength and high modulus, foaming PVA, and minting. At present, coinage special materials (1099) products have formed a stable cooperative relationship with Baoding Banknote Paper Co., Ltd., one of the only three domestic coinage paper companies, and passed the test with Kunshan Coinage Paper Co., Ltd. In July 2019. Foamed PVA has been used in the production of foam sponge and household mop etc. Since 2014, the production of high-strength and high-modulus polyvinyl alcohol fiber has been exported to Germany, Argentina and other European and American countries.