- Qingdao Qinrun Import & Export Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Xin Long Hong Ye Iron & Steel Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Raaj Sagar Steels
- Main business:
- Caribbean RegionBermuda
- Jiangsu Xinhualan Import And Export Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Haoan Import & Export Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yingkou Changxin Pipe Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Aoluyuan Pipe Fittings Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Roc-Master Piping Solutions Ltd. Shanghai
- Main business:
- Caribbean RegionBermuda
- shanghai kaiquan machine vavle co.ltd
- Main business:
- Caribbean RegionBermuda
- Hebei Kairui Pipe Fittings Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Suzhou Seapeak Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Horse Pipeline Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Guangzhou Nanan Fire Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou hengli pipe fitting manufacturing Co.,ltd
- Main business:
- Caribbean RegionBermuda
- Beijing Canghai Haoguan Pipe Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Zhanying Induction Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- IGP ENGINEERS PVT LTD
- Main business:
- Caribbean RegionBermuda
- Cixi Jili Stamping Product Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Honry Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- KOREA PLANT INDUSTRIES ASSOCIATION
- Main business:
- Caribbean RegionBermuda