The registration address of sola science and technology limited, north beijing, is located in room b1-5126, building no. 3 of the zilong economic development zone, zilong road, located in the gate cane district, beijing. The registration authority is the market supervision authority, located in beijing city, with representatives of legal persons, who are strong in fields, including technology development, extension, services, transfer, counselling; labour dispatches; sale of household appliances, mechanical equipment, electronics, hardware, hardware, hardware, solar water heaters, water treatment equipment, electrical equipment, daily supplies, air-conditioning refrigeration equipment, communications equipment; maintenance of household appliances; installation of air-conditioning refrigeration equipment; rental of machinery equipment; import and export of goods; commissioning the processing of solar water heaters and accessories; and professional contracting. (an enterprise shall, in accordance with the law, freely choose to operate its own projects and carry out its activities; an approved project shall, in accordance with the law, operate its activities in accordance with the approved content, subject to the approval of the relevant sector; and it shall not engage in activities in which the industrial policy of the municipality prohibits or restricts the operation of projects of its kind