- Yantai Guocheng Metal Products Co., Ltd
- Structural Steel Fabrication, Pressure Vessels, Weldments Structure Steel, Idlers, Transmission Shaft, Roller, Bottom Skid, Bracket, Riveting and Welding Parts, Sandblasting and Painting Parts
Shandong
- Hebei Guobo Machinery Manufacturing Co., Ltd
- Idler, Roller
Hebei
- Hebei Changxin Rubber Machinery Manufacturing Co., Ltd.
- Conveyor Roller, Conveyor Belt
Hebei
- Huzhou Hongxun Equipment Co., Ltd.
- Non Powered Roller Conveyor, Roller Conveyor Components
Zhejiang