- Dongguan GuoTong Decoration Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Shenjian Pipeline Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Friend Steel Tube Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Sunny & Keen Material Supplies Co.,
- Main business:
- Caribbean RegionBermuda
- Shenzhen Launch Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Wuxi Yangpu Filtration Equipment Co. Ltd
- Main business:
- Caribbean RegionBermuda
- Liaocheng City Yiyuan Fangsheng Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yuhuan Quancheng plumbing Pipe Facctory
- Main business:
- Caribbean RegionBermuda
- Seamless Stainless Steel Tube Pipe Coroperation Ltd
- Main business:
- Caribbean RegionBermuda
- Tianjin Jianghailong Steel Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Cixi Star Light Sanitary Ware Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tubetech Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Tianjin Shengdahaichao Steel Pipe Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Wenzhou Senhong Liquid Equipment Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Wenzhou Zhenhua Steel Industry Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Zhejiang Jinlin Stainless Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Sida (H.K.) Limited
- Main business:
- Caribbean RegionBermuda
- New Dream Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Lanford Hong Kong Limited
- Main business:
- Caribbean RegionBermuda
- Yada Steel Co., Ltd.
- Main business:
- Caribbean RegionBermuda