Beijing tengsong hong kong science and technology ltd. Has registered addresses on the 1st to 3rd floors of buildings nos. 4th tae and yiwon, beijing city. The registration authority is the market supervision authority of the hu yi district, beijing city, with legal representatives tang fang zong, and operates on general projects: technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; retail distribution of computer software and hardware and assistive equipment; seismic services; software development; instrument manufacturing; sale of instrument instruments; repair of specialized equipment; manufacture of specialized equipment for geological surveying; sale of specialized equipment for geological surveying; manufacture of electronic metaware; retailing of electronic instrument instruments; manufacture of special instrument instruments for environmental monitoring; sale of special instrument instrument for environ...