- Yuyao Zhongyu Metal Products Factory
- Main business:
- Caribbean RegionBermuda
- Shandong Huaxing EP Group Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Tianyingtai Imports and Exports Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Longwan Zhengqiu Valve Factory
- Main business:
- Caribbean RegionBermuda
- Tian Jin Aokai Oil Tools Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Huajia Holdings Group Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hangzhou Alltop Irrigation Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Taizhou Yusheng Copper & Plastic Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangsu Huayan Marine Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Huacheng Rise Steel Pipe & Tube Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Rainia Import & Export Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Qingdao Kemei Hardware Products Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hangzhou Keming Machinery Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Johson Industrial Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Chongqing Yilong Pipeline Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Beijing Siyuan Newwater S&T Co.
- Main business:
- Caribbean RegionBermuda
- Shanghai Advanced Engineering Materials Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangsu Dongge Stainless Steel Ware Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Froch Enterprise Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Nanjing Zhiteng Highway Material Co., Ltd.
- Main business:
- Caribbean RegionBermuda