- KES Separation Machinery Tianjin Co. Ltd
- Decanter Centrifuge, Vertical Cuttings Dryer, Shale Shaker, Mud Dewatering Unit, Desander Cyclone, Desilter Cyclone, Pump, Vacuum Degasser, Filter Press System, HDD Mud System
Tianjin
- Jining Hongtu Machinery Manufacturing Co., Ltd.
- Locomotive, Loader
Shandong