Hunan Three-Ring Pigments Co.,Ltd. was established in October 1965, has developed into a symbol demonstration enterprise of China's iron oxide industry and a previous vice chairman unit of China Coating Industry Association. The company covers an area of 105 mu, with a construction area of 60000 square meters and more than 300 employees, including more than 120 professional and technical personnel. The company has three branches and eight functional departments, with total assets of more than 200 million yuan and an annual production capacity of 50000 tons. After all, it can achieve an annual output value of 380 million yuan, an annual profit and tax of 50 million yuan and an annual foreign exchange of more than 9 million US dollars. The company mainly produces "Sanhuan brand" series iron oxide pigments. The products are divided into iron oxide red, iron oxide yellow, iron oxide black, iron phthalein green, ultra-fine iron oxide pigments and other composite pigments. They are mainly used in paint coatings, building materials, plastic rubber, ceramics, aqueous color paste, building surface decoration coating materials, and provide lead chromium series, phthalocyanine series, zinc barium series and other pigments and other chemical products. The company has passed iso14001:2015 environmental management system certification and OHSAS18001:2007 occupational health and safety management system certification. The "Sanhuan brand" series products have passed iso9001:2015 quality management system certification and UK UKAS international certification. With its excellent quality and perfect service system, the products sell well in more than 30 provinces, cities and regions in China, and are exported to Europe, America, the Middle East, Southeast Asia and more than 40 countries and regions, It has established friendly trade relations with more than 100 manufacturers and formed a solid and stable international market network. "Sanhuan brand" series products have won the titles of "famous brand of Hunan Province" and "international famous brand of Hunan Province" for many consecutive times, and took the lead in obtaining the title of "China famous trademark" in the domestic iron oxide industry. The company has won more than 100 honorary titles such as "national civilized township enterprise", "national advanced enterprise in environmental protection", "national excellent private enterprise in petroleum and chemical industry", "national excellent private science and technology enterprise", "Chinese excellent enterprise", "large taxpayer in Hunan Province", "AAA credit enterprise in Hunan Province", "contract abiding and trustworthy enterprise in Hunan Province". The company pursues the service tenet of "honest management and friendship first", follows the quality policy of "pursuing perfect quality and promoting customer satisfaction", is committed to improving the corporate culture, shaping the company and brand image, and strives to build a century old factory.