- Ningbo Zhongda Leader Intelligent Transmission Co., Ltd.
- Main business: DC gear motor
- East AsiaChina(Mainland) (Manufacturer)
- Zhejiang VOB Technology Co., Ltd.
- Main business: disc brake chamber
- East AsiaChina(Mainland) (Manufacturer,Wholesale)
- ZHOUSHAN BATTEN MACHINERY TECHNOLOGY CO.,LTD
- Main business: screw barrel,barrel nuts and screw,screw and barrel
- East AsiaChina(Mainland) (Manufacturer)