The registration address of the hundreds of refrigeration equipment in dong chong city, ltd., is at room 1422, dalong mae-jing west road, da long township, dong chong province. The registration authority is the market supervision authority of dong chong city, represented by a legal person, lin zongmin. The activities include the sale, installation and maintenance of air conditioning, industrial refrigeration equipment, commercial central air conditioning, water cooling units, home air conditioning, ventilation, electrical and electrical equipment, and wind tank equipment. (projects subject to legal approval to operate with the approval of the relevant department)