- GBPI Instruments
- Address:NO.1, JinXiu Road MingHua 3 Street, GuangZhou, GuangDong, China
- Xi'an Best Gear Grinding Machine Co., Ltd
- Address:C-22, NO.69 Jinye Road, Xi’an, China., xi'an, Shaanxi, China
- Anyang Fengyuan Alloy CO., Ltd
- Address:Unit 1, Building 9, South Area of Jinxiu Garden, East of Shiji Avenue, Qugou Town,, Anyang, Henan, China