- Cheerful Technologies Co., Ltd.
- 1: HID ballasts for high pressure sodium, Metal halide, Mercury vapor( CWA/HX/REACTOR) 2: Magnetic ballasts for fluorescent lamp 3: Electronic ballasts for T8&T5 lamp 4: Lamination stamping mold,Ballast & Starter.
- Address:232-20, Chyi-Nan 3Rd Road, Chyi-Shan
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