- Cangzhou Shouxin Flange&Fittings Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yuanfeng Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Qinshuo Air Conditioner Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Wuxi Qianzhou Seamless Steel Pipe
- Main business:
- Caribbean RegionBermuda
- Shanghai Dinghang Stainless Steel Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Shenyang Uniwel Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Jiayu International Trading Co., Ltd
- Main business:
- Caribbean RegionBermuda
- UK Willie Group Ltd.
- Main business:
- Caribbean RegionBermuda
- Xin Yuantai Steel Pipe Group Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Pucheng Metal Materials Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- linyi dongli plastic building materials co,ltd
- Main business:
- Caribbean RegionBermuda
- Zhejiang Gaodele New-Energy Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Tianyuan Steel Pipe Manufacturing Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Suzhou Firstall Electric Machine & Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Bochen-Star Steel Tube Sales Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Shanghai Hongji Nanbo Stainless Steel Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Homease Industrial Limited
- Main business:
- Caribbean RegionBermuda
- Hebei Aocheng Petroleum Steel Pipe Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Meicai Metal Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yuhuan Kaida Copper Industry Co.,Ltd
- Main business:
- Caribbean RegionBermuda