- Infinite Business Consulting
- Address:114 flourish building
- Ultest International Trading Co. Ltd
- Address:4 / F. , Enterprise Building, 228-238 Queen`s Rd. , Central
- Gao Sheng Precision Resistors
- Address:Unit D, 16 / F. , Cheuk Nang 21st Century Plaza 250 Hennessy Road, Wanchai
- A1 International Enterprise
- Address:Unit 2502, Prosperity Centre, 982 Canton Road, Mong Kok
- Kongking Electronics Ltd.
- Address:Yale Industry Building, Shatin, N. T.
- Vazen Electric Group
- Address:131 Hollywood Plaza, 610 Nathan Rd, Kwon Loon
- DATAPRO
- Address:Austin Road 1
- Excellent Integrated System LIMITED (EIS)
- Address:RM 906, WORKINGBERG COMM BLDG, 41-47 MARBLE RD, HK
- Fulltronic Component Co.
- Address:Room 22,14/F., Wah Yiu Ind. Ctr.,30 - 32 Au Pui Wan St., Fo Tan
- Hong Kong Resistors Manufactory
- Address:
- Techbase Technology Co.
- Address:Unit C,4/F Unify Comm Ind Bldg. No 31 Tai Yip Street, Kwun Tong Kln. H. K.
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