- ISTRA-A SIA
- Main business:
- Shandong Sinoeuro International Trade Co., Ltd.
- Main business:
- Linyi Ruifeng Machinery Factory
- Main business:
- Xiamen Chans Wood & Machinery Co., Ltd.
- Main business:
- Linyi Geelong Imp. & Exp. Co., Ltd.
- Main business:
- Shenyang Baoshan Woodworking Machinery Factory
- Main business:
- Linyi Jinlun Hot Press Machinery Co., Ltd.
- Main business:
- Hebei Huas Jiyuan High Frequency Equipment Co., Ltd.
- Main business:
- Wuxi Qiangtong Machinery Co., Ltd.
- Main business:
- Changzhou Luotong Machinery Co., Ltd.
- Main business:
- Shijiazhuang Saga Machinery Co., Ltd.
- Main business:
- Taian Aly Machine Equipment Co., Ltd.
- Main business:
- ENERGYN INC.
- Main business:
- Qingdao Sosn Machinery Co., Ltd.
- Main business:
- MAKSER DIS TICARET LIMITED SIRKETI
- Main business:
- YAMAKIN INDUSTRY CO., LTD.
- Main business:
- Suzhou Zhengbu Machinery Co., Ltd.
- Main business:
- Jiangsu Linjiejucheng Metal Products Co., Ltd.
- Main business: