- CB Measuring Tools Factory Co., Ltd.
- Address:Shenhuo Raod, Taiewind A, 30, Shazui, Hongkong
- Accurate Microwave Electronics LTd
- Address:
- Freeterk ( China ) Manufacturing Ltd.
- Address:64 Hoi Yuen Road., HK, Hong Kong
- ES Consultants Ltd
- Address:Fl.E 25/F Blk 12 TIERRA VERDE, TSING YI, HONG KONG, Hong Kong
- China Optical
- Address:7 / f 375 Ki Lung Street Sham Shoi Po Kin
- Arico Pen Industrial Ltd
- Address:Wang Wo Tsai St
- 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
- Target Depot Limited
- Address:No. 60E Wong Nai Tun, Yuen Long
- K&M Instruments Ltd.
- Address:Flat/Rm 1005,Wing Yue Bldg,60-64 Des Voeux,West H.K. Hong Kong Hong Kong
- Group Max Limited
- Address:Block A, Floor 6,3 Gordon Road,
- TECHNOPOWER INTERNATIONAL TRADE LTD
- Address:Pak Tin Pat, Tusen Wan, N.T. H.K., Hong Kong
- Germany EPKO Fluid Power Co.,Limited
- Address:Unit D, 16 / F, Cheuk Nang Plaza 250 Hennessy Rd,
- Cosinmeter Industry Ltd
- Address:774, Nathan Road, Kowloon
- Yaland Co., Limited
- Address:Room 905, Workingberg Commercial Building, Marble Road, Other, Hong Kong
- INT HK DEVELOPMENT CO., LTD
- Address:KWAI CHUNG
- wu qi meter
- Address:jin rong street
- Hap Company, Ltd
- Address:Unit B, 18 / F Seabright Plaza, Shell St. , North Point, Hong Kong
- Aska MicroElectronic Ltd.
- Address:Unit No. 08, 22 / F, Nanyang Plaza
- Linden Industrial Ltd
- Address:G1, Block A, Sheung Shui Plaza,