- Dongying Haihe Machinery Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Sanhui Plastic mould(China) Co.,ltd
- Main business:
- Caribbean RegionBermuda
- China-site Indu.Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Jch
- Main business:
- Caribbean RegionBermuda
- China Zhejiang WZIPIE Valve Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- H.R.T Precision Steel Ball CO.,LTD
- Main business:
- Caribbean RegionBermuda
- The Gaopin Corporation of Hydraulic Pressure and Valve Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Sanhuali Machinery Science & Technology Co. Ltd
- Main business:
- Caribbean RegionBermuda
- Zhejiang ZXDA Pneumatic Valve Co.,LTD
- Main business:
- Caribbean RegionBermuda
- Jinan Tianwei Innovation Oilfield Equipment Enterprise (Oee )
- Main business:
- Caribbean RegionBermuda
- Cixi Shengda Plastic Chemical Co Ltd
- Main business:
- Caribbean RegionBermuda
- CCL Technologies
- Main business:
- Caribbean RegionBermuda
- Shandong Yanggu Wonderful Valves Co.Ltd.
- Main business:
- Caribbean RegionBermuda
- Yongjia Hongxing Valve Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Xiamen Freede Industry Co,. Ltd.
- Main business:
- Caribbean RegionBermuda
- Aking Vlaves
- Main business:
- Caribbean RegionBermuda
- Qingdao Hongbo Petroleum Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- China Jingjia Valve Group Co., Ltd
- Main business:
- Caribbean RegionBermuda
- V-goal Special Valves Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Anhui Wilson Imp And Exp Co.,Ltd
- Main business:
- Caribbean RegionBermuda