- Foshan Hong Jia Machinery Co., Ltd.
- Address:1st Workshop, Hongyin Industrial Zone, Tangtou Village, Shishan, Nanhai
- Danyang Tongda Tools Co., Ltd.
- Address:
- Burt Group Co., Ltd.
- Address:18 Central Donghai Road, Shinan District, Qingdao City, Shangdong Province. China
- Dongtai Quanhua Tools Co., Ltd.
- Address:NO.3-1 Weier Road,Dongtai City