- Wei Chung Industrial Co.,Ltd.
- Address:1F., No.54-2, Zhongxing N. St., Sanchong Dist., New Taipei City Taiwan,R.O.C. 241 Taiwan
- Tamou Precision Co., Ltd.
- Address:NO. 111, Sec. 1, Wenahong Rd., Luzhu Township, Taoyouan County Taiwan 338 Taiwan
- Team Spirit International Inc.
- Address:No.6,DAHU LN.,BEITUN DIST Taichung 40662 Taiwan
- Chen Sound Industrial Co. Limited
- Address:No. 62-6, Zhongche Road, Shengang District Taichung Taiwan 42952 Taiwan
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