The registration address of shenzhen city xinxi instrument company ltd. Is located at the qinghuang village community qinghui science and technology park in longhua street, shenzhen city. The registration authority is the shenzhen market supervisory authority, with legal representatives representing yang for general operations, namely: instrument instruments, electronics, research and development, sale, door-to-door maintenance and leasing of mechanical equipment; domestic trade; and import and export of goods and technology. The licensed projects are: