Dongyue Group Limited, an investment holding company, manufactures, distributes, and sells polymers, organic silicone, refrigerants, dichloromethane, polyvinyl chloride (PVC), liquid alkali, and other products in the People's Republic of China and internationally. The company operates through Polymers; Refrigerants; Organic Silicone; Dichloromethane, PVC and Liquid Alkali; and Other Operations segments. It offers fluoride fine chemicals, chloride methyl chlorine and alkali, and fluoride salt and acid products, as well as salts, perfluorosulfonic acid ion-exchange resins, PFSA ionomer dispersion and proton exchange membranes, polytetrafluoroethylene, methane chloride, anhydrous fluoride, fluorite, silicon rubber, fluoropolymer, ammonium bifluoride, hydrofluoric acid, bromine, and organosilicon materials. The company also engages in the property development and rental; sale of chemical products; research and development of chemical technology; smelting and sale of non-tenous metal and alloy materials; production and supply of electricity, heat, gas, and water; and provision of sewage disposal and environmental monitoring services. The company was founded in 1987 and is headquartered in Zibo, the People's Republic of China.