- East Tube Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Taixing Chuanda Plastic Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Eemi Rubber& Plastic Products and Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Du-Hope Steel Tube Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Beijing S & E New Duct System Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Guangdong Yitong Steel Pipe Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Huirongxing Stainless Steel Products Company Ltd.
- Main business:
- Caribbean RegionBermuda
- Qingdao Xiangxing Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Liaocheng Xinbo Steel Pipe Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shandong Liaocheng Youyi Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Foshan Shunde Jingliang Numerical Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Foshan Jinhetai Stainless Steel Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Wuxi Bohai Steel Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Foshan Zhuoyue Stainless Steel Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- ZHEJIANG EASTAR STEEL PIPE CO.,LTD
- Main business:
- Caribbean RegionBermuda
- Redpine Rubber Technology Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- yangzhou Yalian steel pipe co., ltd
- Main business:
- Caribbean RegionBermuda
- Tianjin Baiguan Import & Export Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Foshan Dexingye Metal Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Rizhao Steel Holding Group Ltd.
- Main business:
- Caribbean RegionBermuda