- Zhejiang Zhongyi FRP Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Qingdao Guanda Industrial & Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Bosheng Steel Pipe Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Dalian Zhiqiang Tube Technology Development Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangsu Yingliu Machine Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shan County Huaer Plastic Valve Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Tengxiang Mechanical Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shijiazhuang City Shengxin Malleable Duct Pice Industrial Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- SANJAY FORGE PVT LTD
- Main business:
- Caribbean RegionBermuda
- Sunlink Machine Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Beijing Sinovo International Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- CIMM Group Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shenyang Xinlian Petrochemical Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Kunbo Machinery & Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Maanshan Houlin Precision Casting Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Dalian Casting International Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- World Bridge (HK) El Enterprise Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Shenzhou Pipe Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Rizhao Zhufu Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Shenglaier Automatic Valve Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda