- Shanxi Aoyuan Forging Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Weili Fitting Factory
- Main business:
- Caribbean RegionBermuda
- Hebei Jingxian Jingbo Petroleum Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Weifang UTS Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yuyao Longfei Metal Tube Factory
- Main business:
- Caribbean RegionBermuda
- Pharmtech Machinery Co., Limited
- Main business:
- Caribbean RegionBermuda
- Hebei Juding Pipeline Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- SUPER THREADING INDIA PVT LTD
- Main business:
- Caribbean RegionBermuda
- HY-LOK CORP
- Main business:
- Caribbean RegionBermuda
- Shaoxing Lanshi Stainless Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Koala Metal Products Inc.
- Main business:
- Caribbean RegionBermuda
- Foshan Julang Sanitary Ware Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cixi Tongfeng Flexible Metal Conduit Factory
- Main business:
- Caribbean RegionBermuda
- Ningbo Sunda International Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Kingmetal Resources Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Top Metalwork Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Huayang Steel Pipe Co.,LTD
- Main business:
- Caribbean RegionBermuda
- shijiazhuang xinghao pipe fitting co.,ltd
- Main business:
- Caribbean RegionBermuda
- Ningbo Jiangbei Jinxuan Machinery Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Dalian Diabase Cast Stone Factory
- Main business:
- Caribbean RegionBermuda