- Antron Technology International Ltd
- Address:16F, Kowloon BD, 555 Nanthan RD, Mongkok
- ACETECH Electronic Ltd.
- Address:Unit 812, 8 / F, Harbour Centre, Tower One, 1 Hok Cheung Street, Hunghom, Kowloon
- Powertech Telecom Ltd.
- Address:Rm 5, 1 / F, Liven House, 61-63 King Yip Street, Kwun tong.
- Lange Network Teck.Ltd
- Address:talent2 HK, 18 / F the centre
- Stadium Asia Ltd
- Address:Hoi Bun Road
- N-T CON LIMITED
- Address:Queen's Road East
- Hong Kong Girawa Co.,Ltd
- Address:HILLWOOD CENTRE TSIM SHA TSUI
- River Network Ltd
- Address:Flat D, 6 / F. , Tsun Win Ind. Bldg. , 60 Tsun Yip St. Kwuntong, Kowloon.
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