- OT SYSTEMS LTD
- Fiber optics transmission equipment (digital & FM video transmission, data & audio transmission over optical fiber and ethernet ).
- Address:Unit 1202,12/F, Landmark North,39 Lung Sum Avenue
- Electrolinks Technology Co., Ltd
- cable, connector, cable assembly, fiber optics, grouding kits, clamps, antennas.
- Address:sdag, Hongkong, Hongkong, Hong Kong
- Fukuzawa Corp Limited
- IP Camera, Fiber Optics Transceiver, Smart Film.
- Address:Rm C238, 2/F Po Yip Ind. Bldg., 23 Hing Yip St., Kwun Tong Kowloon Hong Kong
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