- Cangzhou Sinhoo Pipeline Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yuanda Valve Group Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Yiwu Weifan Building Materials Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Foshan Jianda Valve Pump Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Haihao Group Steel Pipe Engineering Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Xiamen Dervos Import and Export Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yantai Yunsheng Petroleum Machine Accessories Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hangzhou Qiao Hui Electronic Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Jingyuantong Valve & Pipeline Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Fenghua Yongyi Pneumatics & Hydraulics Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Keram (Nanjing) Science & Tech Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- CITIZEN METAL DEPOT
- Main business:
- Caribbean RegionBermuda
- Shenzhen Skoocom Electronic Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shiyan Sandi Industry & Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Guorui Hydraulic Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangsu Huazhan Petroleum Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Environmental World Products (China) Inc.
- Main business:
- Caribbean RegionBermuda
- Tianjin Huihua Valve Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- KIVA TECHNOLOGY CORPORATION
- Main business:
- Caribbean RegionBermuda
- Yuhuan Zoki Valve Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda