- Shanghai Good Baby Precision Profiled Bar Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Hong-Peng High-Pressure Alloy Pipe Sales Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shaoxing Ruifeng Steelpipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hangzhou Tudor Rubber & Plastic Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Hongyun Weiye Steel Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Nantong Yongda Pipe Industry Incorporated Company
- Main business:
- Caribbean RegionBermuda
- Yangzhou Yinhe Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangsu Xing Rui Piping Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Taizhou Huangma Sanitary Ware Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Yuheng Steel Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cixi Guanhaiwei Yuanjian Hardware Factory (General Partner)
- Main business:
- Caribbean RegionBermuda
- Wuhan Haihong Material Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Nanjing Deers International Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanxi Fenglei Drilling Tools Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangyin Hualunda Precision Stainless Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhangjiagang Golden Far East Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Beijing Haijinghuiyuan Steel Pipe Sales Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tangshan Grand Faith Steel Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Bazhou J&M Metal Products Co., Ltd.
- Main business:
- Caribbean RegionBermuda