The registration address of dong-oi refrigeration energy conservation technology ltd. Is located at no. 32 qianjiang road of the villagers committee of phoenix villages, central township, dong-yu city. The registration authority is the market supervision authority of dong-yu city, represented by a legal person, li chun-lan. The activities include research and development, production, installation, sale, repair and maintenance of refrigeration equipment, heat pump units, corrosion resistant chillers, refrigeration fittings, magnetic suspended energy conservation equipment, and construction of energy conservation works. (projects subject to legal approval to operate with the approval of the relevant department)