- Tianjin Ningpu Tai Steel Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Shuanglin Plastic Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Gangxin Seamless Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yuyao Shifan Machinery Accessories Factory
- Main business:
- Caribbean RegionBermuda
- Jiangxi Tmhold Automobile Part Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- VIETNAM STEEL PIPE COMPANY LIMITED
- Main business:
- Caribbean RegionBermuda
- Hebei Haiqianwei Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Guangzhou Baosheng Metal Product Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wuxi Lusheng Special Steel Limited Company
- Main business:
- Caribbean RegionBermuda
- Yongkang Tiangong Tools Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangyin Dingrun Precision Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Ciheng Imp. & Exp. Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yantai Steel Pipe Co., Ltd. Of Laiwu Iron & Steel Group
- Main business:
- Caribbean RegionBermuda
- Zhuji Fengtai Pipe Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Jinglin Packaging Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yantai Runkang Economic and Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Helide Mineral Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- FERRY INTERNATIONAL
- Main business:
- Caribbean RegionBermuda
- Linzhou Fengbao Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yantai Huaneng Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda