The registration address of beijing ring energy technology ltd. Is located in room a-4766, building no. 3 of the zilong economic development area, zilong road, located in the gate cane district of beijing. The registration authority is the market supervision authority of the zhong an road, located in beijing city. The legal entity is represented by han u-jin and operates on the basis of technical development, extension, services, transfer, advice; the sale of solar water heaters, appliances, water treatment equipment, electrical equipment, electronics, hardware, daily supplies, air conditioning refrigeration equipment, communications equipment, construction materials; the maintenance of household appliances; the installation of air conditioning refrigeration equipment; the sale, lease of machinery equipment; the import and export of goods; the commissioning of the processing of solar water heaters and accessories; and professional contracting. (an enterprise shall, in accordance wit...