- Shenzhen Longer Industry Co., Ltd.
- Main business:
- Dongying Jintan Petroleum Technology & Equipment Co., Ltd.
- Main business:
- Nanjing Kingreat Machinery Co., Ltd.
- Main business:
- Xinxiang Hengxin General Equipment Co., Ltd.
- Main business:
- Luoyang Runcheng Petrochemical Equipment Co., Ltd.
- Main business:
- Shenyang Xinlian Petro-Chemical Equipment Co., Ltd.
- Main business:
- Henan Leeho Trading Co., Ltd.
- Main business:
- Xinxiang Yongqing Screen Machine Co., Ltd.
- Main business:
- Hangzhou Jinhua Gas Equipment Co., Ltd.
- Main business:
- Jingjiang Rameco Imp.& Exp. Co., Ltd.
- Main business:
- Beijing Feda Geron Air Separating Technique Limited Company
- Main business:
- Changsha Yonglekang Equipment Co., Ltd.
- Main business:
- Liaoyang Wanda Machinery Co., Ltd.
- Main business:
- Liaoyang Zhonglian Pharmaceutical Machinery Co., Ltd.
- Main business:
- Hangzhou Royall Import & Export Co., Ltd.
- Main business:
- Xinxiang Weiliang Sieving Machinery Co., Ltd.
- Main business:
- Xinxiang Hongyuan Vibration Equipment Co., Ltd.
- Main business:
- Liaoyang Tianxing Pharmaceutical Machinery Factory
- Main business:
