- Zhejiang Zhongxin Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Hongcheng Pipe Fitting Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Yingzhen Machine Element Made Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Dajiang Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangsu Shengbo Metal Products Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hangzhou Lianli Electrical Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- BNV Piping Products Co., Ltd, Yingkou
- Main business:
- Caribbean RegionBermuda
- Hebei Zhongyi Industrial & Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Lide Radiator Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiyuan Feng Yuan Pipe Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Canghai Pipe Fitting Group Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Metalgoods Pipefittings Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Haoguan Manufactory Pipe Fittings Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangsu Shuguang Oil Tools Limited
- Main business:
- Caribbean RegionBermuda
- Cangzhou Fengling Metal Products Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Dalian Tianlong Casting Company Limited
- Main business:
- Caribbean RegionBermuda
- Shanghai Grandrising Metal Products Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- TWIN WINNER INTERNATIONAL LTD.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Cang Xing Tubing Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Qingdao Xinruisheng Industrial Co., Ltd.
- Main business:
- Caribbean RegionBermuda