- Puyang Chensheng Petroleum Technology Co., Ltd.
- Workover Rig, Flushing by Unit, Hot Oil Unit, Drilling Rig, Generator Set, Mud Pump Set, Swabbing Unit, Mobile Pump Unit, Cementing Unit, Steam Generator Unit
Henan
- Changzhou Baoxin Metallurgy Equipment Manufacturing Co., Ltd.
- Large Spiral Bevel Gear, Sheave, Pulley, Rotary Table For Drilling Rig, Forging Wheel
Jiangsu
- Shandong Beyond Petroleum Equipment Co., Ltd.
- Mud Pump, Oil Drilling Rig, Workover Rig, Drilling Equipment Parts, Mud Pump Parts, Wellhead Handling Tools, Solid Control, Hydraulic Power Tongs, Bop
Shandong
- HEBEI XINHUAFA PETROLEUM MACHINERY CO., LTD.
- Mud Pump Liner, Piston Assy, Valve,piston Rod, Fluid End Module
Hebei
- UPET GROUP CO., LTD.
- Oil and Gas Equipments, Industrial and Mineral Machinery, Engineer Equipments and Agricultural Machinery
Shandong
- Sinotai Petroleum Equipment Co., Ltd
- Drilling Equipment and Spare Parts
Shandong
- Ruiyuan Holdings Group International Trade Co., Ltd.
- Tractor, Maize Silage Harvester, Corn Grain Harvester, Drones, Aerial Survey Drone, Semitrailer
Shandong