- Gongyi Lantian Mechanical Plant
- Main business:
- Zhengzhou City OKH Trading Co., Ltd.
- Main business:
- Gongyi Sanjin Charcoal Machinery Factory
- Main business:
- Gongyi City Yuxiang Heavy Machinery Co., Ltd.
- Main business:
- Zhengzhou Taihua Heavy Machinery Manufacture Co., Ltd.
- Main business:
- Shanghai Yuke Industrial Co., Ltd.
- Main business:
- Gongyi Hengyuan Industry&Trade Co., Ltd.
- Main business:
- Kingtiger (Shanghai) Environmental Technology Co., Ltd.
- Main business:
- Gongyi Guoxin Machinery Factory(General Partnership)
- Main business:
- Gongyi City Songling Tengda Machinery Factory
- Main business:
- Gongyi UT Machinery Trade Co., Ltd.
- Main business:
- Henan Hengyi Heavy Industry Equipment Co., Ltd.
- Main business:
- Henan Daheng Machinery Co., Ltd.
- Main business:
- Gongyi Dongxing Material Trade Co., Ltd.
- Main business:
- Henan Dinghe Machinery Equipment Co., Ltd.
- Main business:
- Gongyi Xiaoyi Mingyang Machinery Plant
- Main business:
- Gongyi Runhe Machinery Factory
- Main business:
- Zhengzhou City Wanqi Mechanical Equipment Co., Ltd.
- Main business:
- Henan Hao Zhou Import And Export Trade Co., Ltd.
- Main business:
- Tianjin Dingda Mold Co., Ltd
- Main business: Plate Heat Exchanger, replacement plate, replacement gasket,Rubber mold
- East Asia (Manufacturer)