Business scope: Communication Equipment Manufacturing,
Optical Glass Sales,
Camera And Equipment Manufacturing,
Camera And Equipment Sales,
Sales Of High Performance Non Ferrous Metals And Alloy Materials,
Manufacture Of Clocks And Timing Instruments,
Watches And Timekeeping Instruments Sales,
Retailing Of Photographic Equipment And Binoculars,
Communication Equipment Sales,
Optical Glass Manufacturing,
Video Recording And Playback Equipment Manufacturing,
Technical Services,
Technology Development,
Technical Consulting,
Technology Exchange,
Technology Transfer,
Technology Promotion,
Electronics Sales,
Communication Equipment Sales,