- Qingdao Haike Oilfield Equipment Company
- Main business:
- Caribbean RegionBermuda
- Shanghai Etong Valve Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Beijing Shante Songzheng International Trade Co,.Ltd
- Main business:
- Caribbean RegionBermuda
- YuHuan Korie Plastic Factory
- Main business:
- Caribbean RegionBermuda
- Jining Kersen Hydraulic Co. Ltd.
- Main business:
- Caribbean RegionBermuda
- Qinhuangdao Hengcheng Trading Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Henan Liwei Industry
- Main business:
- Caribbean RegionBermuda
- cangzhou beyond metal
- Main business:
- Caribbean RegionBermuda
- Guangzhou JOTO Valve & Pump Industry Co., Ltd
- Main business:
- Caribbean RegionBermuda
- WENZHOU HAILI VALVE CO.,LTD
- Main business:
- Caribbean RegionBermuda
- wenzhou kailin valve co.,ltd
- Main business:
- Caribbean RegionBermuda
- Acewel Rig Limited
- Main business:
- Caribbean RegionBermuda
- Zhejiang Erg Technology Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Jiashan Huaxin Mechanical Seal Factory
- Main business:
- Caribbean RegionBermuda
- Ningbo Sainuo Pneumatic Machinery Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Dongying Chenhui Machinery Manufacturing Co.,LTD
- Main business:
- Caribbean RegionBermuda
- Ningbo First Water Filter Co., LTD
- Main business:
- Caribbean RegionBermuda
- China Valmax Valve Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai PLY Automatic Control Equipment Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Xinhai Valve Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda