Beijing's registration address is in room 212-1728 of the government building of the town of guangxi town outside the town of guangzhou, in the city of beijing. The registration authority is the market supervision authority of the city of guangzhou, represented by legal persons, and includes the development, consultation, exchange, promotion, proliferation and transfer of technology, the sale of mechanical equipment, specialized equipment, general-purpose equipment, solar water heaters, electronic products, computers, software and assistive equipment, intrusion detectors, building excursors, anti-piracy alarm controllers, video surveillance equipment, alarm system access control equipment. (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