- Roson Technologies Limited
- Address:9 / F, Koon Wah Indutrial Building, 132 Wai Yip Street, Kwun Tong,
- E-Feihong Electronic. Co. Ltd
- Address:Room V, 3 / F Ming Sang Ind, Bldg. , Hing Yip Street Kwuntong, Kowloon.
- HK Ansice Ind. Co.,Ld
- Address:Des Veoux
- kubo international technology co,ltd
- Address:room 1202, 12f, hanghe international, yuhua, Changsha
- Motoma Digital Co., Ltd.
- Address:18th FL, No. 1 Hung To Road, Kwun Tong, Kowloon
- Winner Technology Company
- Address:Fu Yong
- JB Innovation 3d company
- Address:Wong Tai Sin
- Welton Electronics Limited
- Address:14/F., Hero Ind. Bldg., 199 Ka Yip Street, Chai Wan,
- ROSON TECHNOLOGIES LTD
- Address:12d, Tak Lee Building, 14 Battery Street, Kowloon
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