Dongyue Group Limited, an investment holding company, manufactures, distributes, and sells polymers, organic silicone, refrigerants, dichloromethane, liquid alkali, and other products in the People's Republic of China and internationally. It operates through Polymers; Refrigerants; Organic Silicone; Dichloromethane and Liquid Alkali; and Other Operations segments. The company offers polytetrafluoroethylene, methane chloride, anhydrous fluoride, fluorite, silicon rubber, fluoropolymer, ammonium bifluoride, hydrofluoric acid, bromine, and organosilicon materials. It also engages in the property development and rental; sale of chemical products; investment and management of fluorosilicone new material industry; research and development of chemical technology; smelting and sale of non-tenuous metal and alloy materials; production and supply of salts, electricity, heat, gas, and water; and provision of sewage disposal and environmental monitoring services, as well as business management consulting services. The company was founded in 1987 and is headquartered in Zibo, the People's Republic of China.