- tsingdao kinnong international enterprise limited
- Main business:
- Caribbean RegionBermuda
- Beijing Canghai Haoguan Pipe Equipment CO., LTD
- Main business:
- Caribbean RegionBermuda
- HEBEI TAIFENG STEEL PIPE CO., LTD
- Main business:
- Caribbean RegionBermuda
- WAIMING (TIANJIN) INTERNATIONAL TRADING CO., LTD.
- Main business:
- Caribbean RegionBermuda
- KPMETAL Yantai Kangpu Metal Compound Material Co.
- Main business:
- Caribbean RegionBermuda
- Threewaysteelco.,ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Wanji Steel pipe Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Yida Reinforcing Bar Connecting Technology C
- Main business:
- Caribbean RegionBermuda
- Tianjin Jinshihongfeng Trade Co,Ltd
- Main business:
- Caribbean RegionBermuda
- Cangzhou baolong Steel Pipe Co.,ltd.
- Main business:
- Caribbean RegionBermuda
- haiyan zhongling foundry co.,ltd.
- Main business:
- Caribbean RegionBermuda
- HEBEI XINGHAO PIPELINE EQUIPMENT MANUFACTURING COMPANY
- Main business:
- Caribbean RegionBermuda
- rizhao dingye industry and trde CO.,LTD
- Main business:
- Caribbean RegionBermuda
- TianJin city YouLian Spiral Pipe CO.,LTD
- Main business:
- Caribbean RegionBermuda
- Cangzhou GuangYuanTai Pipe Fitting Manufacturer Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Ruichang Pipe Fitting CO.,LTD
- Main business:
- Caribbean RegionBermuda
- Zhejiang ShengYang Stainless Steel Co., Ltd
- Main business:
- Caribbean RegionBermuda
- CANGZHOU CHENGMING INERANTION TRADE CO.,LTD.
- Main business:
- Caribbean RegionBermuda
- ASST Steel&Iron Industry Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Nomis Energy Service Limited
- Main business:
- Caribbean RegionBermuda