- Microsonic Technology Limited
- Address:Unit C, 9 / F, Candy Novelty House, No. 164 Wai Yip Street, Kwun Tong, Kowloon
- Reliance Techology Limited
- Address:Hong Kong
- GUOKING ELECTRONICS (HONGKONG) CO, LTD
- Address:No. 208-212, Nathan Road
- FDK Hong Kong Ltd.
- Address:
- Elecsound potentiometer ltd
- Address:Unit I, 9 / F. , Dormind Industrial Building, 13 Yip Fung Street, Fanling, New Territories,
- Spoto International LTD
- Address:Nanshan district,Shenzhen Shenzhen Guangdong Province 518000 Hong Kong
- Silicon Technology (HK) Co., Ltd
- Address:13B, B/F,Hung Hom Square, 37-39 Ma Tau Wai, Kowloon, Hong Kong, Hong Kong
- The Prosperity Enterprise (HK) Limited
- Address:Suite 3703, 37 / F, Office Tower Langham Place, Mongkok
- 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.
- ABC Coil Electronic Ltd.
- Address:
- Panda Technology
- Address:1129,11/F, International Mayor Communication Centre, Shen Nan Avenue Shenzhen GuangDong 518053 Hong Kong
- Zhang Dong Electronics Factory
- Address:Room 8 17/F., New Trend Centre, 704 Price Edward Road East, San Po Kong, Kowloon
- Goldsense Industries Ltd
- Address:Unit 1110, 11/F., Tins Enterprises Centre, 777 Lai Chi Kok Road, Cheung Sha Wan, Kowloon Hong Kong Hong Kong Hong Kong
- HK Film Capacitor Ltd.
- Address:1st Floor, National Industrial Building, No. 23 Hing Yip Street, Kwun Tong, Kowloon, Hong Kong Hong Kong Hong Kong 00000 Hong Kong
- Elecsound PCB Co. Ltd
- Address:11 / F. , Front Block, Hang Lok Building, 128-130 Wing Lok St. , Sheung Wan, HK
- UNION TEAM LIMITED
- Address:No.7, 22/F., Fook Yip Bldg., 53-57 Kwai Fung Crescent, Kwai Chung, N.T.
- Elecsound Capacitors Co, Ltd
- Address:Unit 19-21,12/F Corporation Park
- HITEK TECHNOLOGY HK Co., LTD
- Address:8/f, HONG KONG, Hong Kong