- Cliffhanger S.p.A Italy
- Main business:
- Caribbean RegionBermuda
- Yantai Hengyuan Industry and Trade Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- THEJIANG GUOBANG STEEL CO.,LTD
- Main business:
- Caribbean RegionBermuda
- Hebei honry steel pipe Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Anhui Tiankang Group Petroleum Steel Pipe and Tube Manufacturer Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Hengjisteel Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Linyi Far East Import & Export Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Haoyu International Trade Co. Ltd
- Main business:
- Caribbean RegionBermuda
- Hailiang group
- Main business:
- Caribbean RegionBermuda
- Foshan Tongda Stainless Steel ProductsCo., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou City Jinxinlei Pipeline Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei zhonghai steel pipe manufacturing co.,ltd.
- Main business:
- Caribbean RegionBermuda
- ZheJiang Steady Stainless Steel Plpe&Tube Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- hebeishuntongsteel.cop
- Main business:
- Caribbean RegionBermuda
- Ningbo New Era Steel Tube Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Jiangyin Yongyi Stainless Steel Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Radiant Steel Co.,LTD
- Main business:
- Caribbean RegionBermuda
- THREEWAY STEEL INTERNATIONAL CO LTD
- Main business:
- Caribbean RegionBermuda
- Jiangsu Dajing Steel CO.,LTD.
- Main business:
- Caribbean RegionBermuda
- Wuxi Precese Machinery Manufacturing Co.,Ltd.
- Main business:
- Caribbean RegionBermuda