- TAIWAN CAROL ELECTRONICS CO., LTD.
- Address:NO. 202, Tung Kuang Road. Taichung, Taiwan
- AVLEADER CORP.
- Address:24, Lane 90, Kuei-Yang
- LIAN ZHONG CO LTD
- Address:17# , Street 2
- MOBILITY SOUND TECHNOLOGY LTD.
- Address:Jian 1st rd.
- Kaotek Electronic Technology
- Address:7f-1, No 286-6, Shin Ya Rd, Chien Chen District
- Weiyang Technology Co., Ltd.
- Address:NO. 13, Datung Street
- Shihpei Electronics Co., Ltd.
- Address:3 / F. , No. 33, He Ping Road, Banqiao District
- ARIOSE ELECTRONICS CO., LTD.
- Address:2F-6, 40-2 Min Sheng North Rd Section 1
- TAIWAN ELECTRIC VOICE CO.,LTD.
- Address:No. 336 Beei-Twen Rd., Beei-Twen District 40654, Tai Chung City, Taiwan
- Magic Precision Inc.
- Address:No. 81, Lane 245, Section 3, Shatian Rd.