Dongzheng Chemical Co., Ltd. of Shangnan County, Shaanxi Province (hereinafter referred to as "Dongzheng company") is a professional inorganic salt production enterprise in Shaanxi Province. The company was founded in May 1998, formerly known as "Shangnan County chemical plant". It was founded in 1989, completed and put into operation in 1991, and established Shangnan Dongzheng Chemical Co., Ltd. after bankruptcy and restructuring in 1998.

The main products of the company are chromium chloride, chromium nitrate, chromium acetate, chromic anhydride, basic chromium sulfate, sodium dichromate, cobalt nitrate, nickel nitrate, potassium alum, ammonium dichromate, potassium chromium sulfate, potassium chromate, chrome oxide green, m-nitroacetophenone. The products are widely used in stainless steel manufacturing, metal surface treatment, textile printing and dyeing, petroleum development. Mining, building ceramics, pharmaceutical intermediates, high-end feed, special refractory, wood anti-corrosion, photoelectric materials, liquid crystal coating, high wear-resistant coating of mobile phone shell, automotive refrigerant catalyst and other industries are important basic raw materials for national economic production. The products are sold in more than 30 provinces, cities and autonomous regions. The company has a registered capital of 15 million yuan, 210 employees, scientific management system and advanced testing technology. The company has been rated as the largest taxpayer in Shangluo City, the top 50 enterprises, and the county-level "advanced enterprise" for many consecutive years. As early as 2003, the company passed the quality management system certification and has been maintained up to now; in 2010, it passed the safety standardization review and acceptance and reached the third level enterprise of safety standardization; in 2012, it passed the cleaner production review and acceptance and reached the cleaner production enterprise; in 2013, the company's "Bunker" brand sodium dichromate product was rated as the famous brand product of Shaanxi Province, and in May 2014, it obtained the chromium compound production issued by the Ministry of industry and information technology. Production and construction license: in October 2014, the company's "Bunker" trademark was rated as "famous trademark of Shaanxi Province"; since 2016, it has been awarded the honorary title of "municipal advanced safety production enterprise and municipal safe unit"; in September 2017, the technology of "a rotary kiln for the preparation of alkali metal chromate" researched by our company obtained the national utility model patent (Patent No.: zl201720134491.8); 20 In December 2017, the company successfully obtained the occupational health and safety and environmental management system certification; in September 2018, the company successfully passed the review of the hazardous waste inspection expert group of the environmental protection department of Shaanxi Province, and obtained the formalities of "operation of hazardous waste trial operation". In 2018, the company put into production the "Yuxing" brand high-grade electroplating grade chromic anhydride.

By the end of December 2018, the total assets of the enterprise had reached 261110000 yuan, the net assets had reached 15632000 yuan, and the asset liability ratio was 18.11%; in 2018, the sales revenue was 251700000 yuan, the total profit was 48360000 yuan, and the taxes and local surcharges were 19520000 yuan.

In recent years, our company has been continuously deepening the reform, carrying out cleaner production, establishing the concept of equal economic and environmental benefits, adhering to scientific development, focusing on personnel training, and taking the road of sustainable development, showing a healthy and rapid development trend. The company's management level and economic benefits are increasing year by year. Based on the business philosophy of "diligence, faithfulness and truth-seeking", all employees of Dongzheng chemical are committed to building an internationally renowned, industry-leading, science and technology environmental protection chemical enterprise.