- Shanghai Changqiang Power Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Shigu Mechanical Tube Fitting Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Jinsuo Spiral Steel-Pipe Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Vista Corp
- Main business:
- Caribbean RegionBermuda
- Ningbo Huacheng Valve Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Dalian Keyuan International Trade Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Wenzhou Jingpin Bend Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Yuexing Hardware Products Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- DIE ERSTE
- Main business:
- Caribbean RegionBermuda
- Wenzhou Haoheng Light Industrial Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Modern Engineering Works
- Main business:
- Caribbean RegionBermuda
- Qingdao Chiyang Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Satyanarayan Ispat Pvt. Ltd.
- Main business:
- Caribbean RegionBermuda
- Qingdao Alt Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Fu Rui Da Pipeline Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Mark & Aira Trading (L.L.C)
- Main business:
- Caribbean RegionBermuda
- KINGXU TRADING (HONGKONG) CO LTD
- Main business:
- Caribbean RegionBermuda
- Zhenglong Bearing Factory
- Main business:
- Caribbean RegionBermuda
- F-F Import & Export
- Main business:
- Caribbean RegionBermuda
- Cangzhou Haixin Pipe-Fittings Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda