- Autotronic Enterprise Co., Ltd.
- Address:No. 957, Chung-Cheng Rd. , Chung-Ho Country
- Sentry Optronics Corp.
- Address:3f, No. 122, Sec. 1, Sanmin Road,
- Chao Long Motor Parts Corp.
- Address:10, Lane 151, Sec. 2, Kwang-Min Rd.
- P&M
- Address:No.2,Alley 2,Lane 24,Sec.2,Taichung Kang Rd.,Taichung,Taiwan
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