- cangzhou hongyun steel pipe Co.,ltd
- Main business:
- Caribbean RegionBermuda
- Jiangyin Hongteng Machinery Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Wellmade Scaffold Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Baoji Super Titanium Metals Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- KINGWAY METAL PRODUCTS CO., LTD
- Main business:
- Caribbean RegionBermuda
- Taian Sunwe Testing Equipment Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- HEBEI JIUYUAN PIPELINE MANUFACTERING CO.,Ltd
- Main business:
- Caribbean RegionBermuda
- Shangdong Buoy&Pipe Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Montreal Container fitting Co.Ltd
- Main business:
- Caribbean RegionBermuda
- Liaoyang Steel Tube Company
- Main business:
- Caribbean RegionBermuda
- Zhenjiang Jinsong Stainless Steel Production Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Anping County JiaHua Hardware Wire Mesh Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Hangzhou Zhedong Steel Tube Products Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Shandong China Coal Industry & Mining Group
- Main business:
- Caribbean RegionBermuda
- luquan zhandao qiaoxi malleable iron pipe fittting company
- Main business:
- Caribbean RegionBermuda
- Shandong Huamin Steel Ball Joint-stock Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Cangzhou Spiral Steel Pipe (Group)Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Tianjin Jinsheng Ruida Business Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Hebei anrun anticorrosion steel pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Huadong Industrial Co.,Ltd
- Main business:
- Caribbean RegionBermuda