The registration address of beijing qianxuan technology ltd is located in room 201 on the west side of the zhoujo street of the zhoujo shop area of beijing city hall. The registration authority is the market supervision authority of beijing city house mountain, represented by a legal person, li hoe-ho, and covers the design and installation of stage lights, sound equipment, communication systems; electrical and electronic equipment, household appliances, daily miscellaneous items, communications equipment (other than satellite receiving equipment), photographic equipment, computer hardware and hardware and peripherals, and office supplies。