- Labmen Instrument Limited
- Address:RM18W, 27/F,Ho King Comm CTR, 2-16 Fayuen ST,Mongkok Kowloon, Hong Kong Hong Kong,
- Union Pacific Manufacturing Limited
- Address:Room 903 Fourseas Building 208-212 Nathan Road, Kowloon, Hong Kong
- Sancy Electronics Ltd
- Address:Block A11-12, 10/F, Merit Industry Centre, 94 Tokwawan Road, Kowloon, Hong Kong Hong Kong Hong Kong
- K&M Instruments Ltd.
- Address:Flat/Rm 1005,Wing Yue Bldg,60-64 Des Voeux,West H.K. Hong Kong Hong Kong
- Yaland Co., Limited
- Address:Room 905, Workingberg Commercial Building, Marble Road, Other, Hong Kong
- Nanfang Junrui Instrument Co.Ltd
- Address:shiyan street,sanming industry zone shenzhen china 518000 Hong Kong
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