- Accu-Test Co Limited
- Address:Harbour City, 17 Canton Road HONG KOING , HONG KONG
- Idealphotonics Hongkong TechonlogyCo.,LTD
- Address:6Flat B 607, 6/F, Jumbo Ind Bldg, 189 Wai Yip Street, Kwun Tong, KLN ,HK Hongkong,
- Newstar(HongKong) Networking Technology Co., Ltd.
- Address:No., 1303 jimmming shenzhen GD Hong Kong
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