- HI-TECH CONTROL COMPANY LIMITED
- Address:Flat I, 13/F., Block 2, Golden Dragon Industrial Centre, 162-170 Tai Lin Pai Road, Kwai Chung, N.T.
- Dragon international trading company
- Address:14th floor, High Block, Queensway Government Offices, 66 Queensway, Hong Kong
- MATRIX EL CO LTD
- Address:UNIT13 16F INTERNATIONAL TARDE CENTRE 11-19 SHA TSUI ROAD TSUEN WAN
- Active International Business Group
- Address:B2, 1708 Nan Fung Tower. , 173 Des Voeux Road C.
- ENKE MECHANICAL EQUIPMENT ENGINEERING CO.,LTD
- Address:Room 1902 (A) , 19 / F 38 Plaza, 38 Shan Tune Street, Mongkok, Kowloon
- yinon precision machining & manufacturing factory
- Address:Room 2001, Mongkok Commercial Ctr, 16 Argyle Street, Mong Kok
- Parts4world Company Limited
- Address:Room 1701, 17 / F. , Henan Building, 90-92 Jaffe Road, Wanchai,
- Team Smart Enterprise Limited
- Address:: ROOM2105 JBJ646 TREND CENTRE 29-31 CHEUNG LEE ST CHAI WAN HK
- Well Born Plastic Manufacture Co.,Ltd.
- Address:Flat A8, 5 / F, Block A, Mai Hing Industrial Building
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