- JunRui Industrial Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Changshu Seamless Steel Tube Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhangjiagang City Siweida Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Liaocheng Tongyuan Steel Pipe Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiaxing JL Fasteners Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- China National Packaging & Food Machinery Corporation
- Main business:
- Caribbean RegionBermuda
- Xiamen Sunny Industry & Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Siano (Beijing) Steel Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Credit Ocean Machinery & Electron Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Foshan Nanze Electric & Mechanical Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Yuxuan International Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Zhehua Heavy Steel Pipe Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wantong Industry & Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Hanby-Leaden Business & Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Dongguan Yuan Er Sheng Machinery Source Hardware Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Longma Steel Pipe Manufacturing Inc.
- Main business:
- Caribbean RegionBermuda
- Shijiazhuang Huaheng Fitting Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Qisheng Packing Machinery Factory
- Main business:
- Caribbean RegionBermuda
- dvb DESIGN + ENGINEERING
- Main business:
- Caribbean RegionBermuda
- Hebei Jushun Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda