- SIMTEK CABLE
- Address:3 / F North, Caohe Industry, Shawan Town,
- HENG TAI (HK) CO LTD
- Address:7 / f. , Kin On Comm. Bldg. , 49-51 Jervois St. , Sheung Wan,
- Ric communications co.,ltd
- Address:Dalang street
- Suli Cables International Ltd
- Address:10 / F, Hing Yip Centre
- Rocfly Co.,Ltd
- Address:66 Trademart Drive, Kowloon Bay, Hong Kong
- Nelion Systems
- Address:710 Ricky Centre, 36 Chong Yip Street
- Littin Resource
- Address:710 Ricky Centre, 36 Chong Yip Street, Kwun Tong
- Billion Bright Ltd / Guanzhoushi Billion Bright Electric Co Ltd
- Address:Room 204-208, Mega Trade Centre, 1 Mei Wan Street, Tsuen Wan, N. T.
- Wang Yip Wire Manufactory Ltd.
- Address:Room B, 5/F., Wang Kwong Ind. Bldg., 45 Hung To Road,
- Sino Fame Technology Products Ltd.
- Address:Flat 7, 15 / F. , Futura Plaza, 111-113 How Ming Street