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. The company operates through Polymers; Refrigerants; Organic Silicone; Dichloromethane, PVC and Liquid Alkali; Property Development; and Other Operations segments. It offers fluoride fine chemicals, chloride methyl chlorine and alkali, and fluoride salt and acid products, as well as polytetrafluoroethylene, methane chloride, anhydrous fluoride, fluorite, silicon rubber, fluoropolymer, ammonium bifluoride, hydrofluoric acid, and bromine products.