- Batom Co., Ltd.
Headquarter of the Group - Great Taiwan Gear Ltd.
Branch Office of Batom Co., Ltd. in the USA - Chao Hsin Gear Co. Chang Hua, Taiwan.
For AGMA class 8-14 gears - Cheng Fang Gear Ltd. Taipei Taiwan.
For fine pitch gears and medical/mobility gearboxes - Jinder Gear Co.
Gear hobbing, shaping, and shaving for AGMA class 8-11 gears