- STARSE Energy and Technology (Group) Co., Ltd.
- Sand Control Screen Downhole Tools and Service, Icd/Aicd Water Control Screen
Shanghai
- Hebei Yingpai Import & Export Trading Co., Ltd.
- Drilling Rig Equipment and Parts, Mud Pump and Parts
Hebei
- Ningbo Zhongmu Rubber Products Co., Ltd
- Rubber Products, Rubber Accessories, Sealing Ring, Oil Seal, Rubber Shock Absorber, Phenol Resin Products, PU Products, PTFE Products, PFA Products, High-Speed Train Accessories
Zhejiang