- Riken Electric Co. Ltd
- Address:59 Ching Ho Road Chung Ho Taipei 235 Taiwan
- Coretech Optical Co., Ltd.
- Address:No.192 Dongguang Rd Hsinchu Taiwan
- Trade Max Int'l Co .,Ltd.
- Address:4 fl. 9 Shih-Ping Street Taipei Taiwan 10458 Taiwan
- Chen Yi Electric Co., Ltd.
- Address:1F.,NO.16,ALLEY 6,LANE 151,SEC.2,JHONGSHAN RD. SHULIN CITY Taiwan
- Union Rich Development Corporation
- Address:3F, No. 5, Lane 50, Sec. 3, Nan-Kang Rd., Taipei 115 Taiwan
- DIYN Optoelectronics Co.,Ltd.
- Address:8F-2,No.490,Wan-Sou Rd. Sec1 Kweishan,Tauyan Shien 333 Taiwan