- Sportcon trading Co. Ltd
- Address:Tsuen Wan
- TAIZHOU LION KING SIGNAL CO., LTD
- Address:Luqiao, TAIZHOU, ZHEJIANG, Hong Kong
- Hercules H.P. Materials CO LTD
- Address:Unit E28S, 3 / F. , Wing Tat Commercial Building, 97 Bonham Strand East, Sheung Wan
- 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