The registration address of the beijing sino-kingheng science and technology company ltd. Is located at room 401 (garden) no. 7 kochin road, tondai district, beijing city. The registration authority is the market supervision authority of the tondai district, beijing city. The legal entity is represented by tsai chun-water and operates on a technical basis; technical advice; technology transfer; technical services; technical services; sale of electronics, mechanical equipment, computer hardware and software, and assistive equipment, instrument meters, mechanical and electrical equipment, hardware, hardware, hardware, hardware and equipment, hardware, hardware, and equipment, instruments, equipment, equipment, equipment, equipment, equipment, equipment (without dangerous chemicals); commissioning of processing instruments, mechanical equipment; maintenance instruments; conference services; import and export of goods, brokering, import and export of technology, rental of machinery 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