- Zhejiang Zhengda Environmental Equipment Co., Ltd.
- Main business:
- Dalian Reyes Import & Export Co., Ltd.
- Main business:
- Liaoyang Hongji Machinery Co., Ltd.
- Main business:
- Jinan Tenglong Machinery Equipment Factory
- Main business:
- Shaanxi Roctec Technology Co., Ltd.
- Main business:
- Wuxi Designer Machinery Co., Ltd.
- Main business:
- Ruian Xuanli Machinery Co., Ltd.
- Main business:
- Shanghai Ritai Medicine Equipment Project Co., Ltd.
- Main business:
- Shanghai BaiLun Biotechnology Co., Ltd.
- Main business:
- Wenzhou Chinz Machinery Co., Ltd.
- Main business:
- Wenzhou Ziri Electrical Technology Co., Ltd.
- Main business:
- Zhengzhou ZYlab Instruments Co., Ltd.
- Main business:
- Shanghai Yhchem Technology Co., Ltd.
- Main business:
- Zhengzhou Keda Machinery And Instrument Equipment Co., Ltd.
- Main business:
- Jiangsu Zonre Mechanical Equipment Co., Ltd.
- Main business:
- Shanghai Shensheng Biotech Co., Ltd.
- Main business:
- Advanced Tech. Co., Ltd. Wenzhou
- Main business:
- Donghai County Alfa Quartz Products Co., Ltd.
- Main business: