- LANJIN ELECTRONICS (HONG KONG)
- Address:Rm 602, 6/F., Tung Ning Bldg., 2 Hillier Street, Sheung Wan
- R & D Security Equipment
- Address:
- microdvr-hdcamera co.,ltd
- Address:No. 2
- Mark Guo
- Address:AN PUI WAN ST.
- KINGLINK (HK) COMMUNICATION DEVELOPMENT CO LTD
- Address:Unit 707, Level 7, Gragon Centre, 37k Yen Chow Street, Sham Shui Po. Kln,
- Etong Electronics Co.,Ltd
- Address:Rm B3, Block B, 4 / F Harvest Building