- SHENGANG TECHNOLOGY INT'L LIMITED
- Address:ROM C1D, 6 / F, WING HING INDUSTRIAL BUILDING, 14 HING YIP STREET, KWUN TONG, KOWLOON, HONG KONG.
- T.J.S Electronic company
- Address:909, 9 / F Two Grand Tower, 625 Nathan Road
- Grand Star (asia) Ltd.
- Address:Shop 9, 2 / F, Block Ii, Yip Fat Factory Building, Kwun Tong
- Hannes Trading Company
- Address:Unit 01, 11 / F. , Thriving Ind. Ctr. , 26-38, Sha Tsui Road,
- hongyuan hardware
- Address:
- choi sze company
- Address:Flat G, 19 / F, Block 25
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