- Henan Derun Iron And Steel Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yingkou Hongxin Pipe Fittings Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Fengya Pipeline Science Technologies Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yantai Danny Import & Export Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Wurong Valve Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- TUBOHOME INDUSTRY CO LTD
- Main business:
- Caribbean RegionBermuda
- Zhejiang Tengfei Electric Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wuxi Xiangda Teflon Tube Factory
- Main business:
- Caribbean RegionBermuda
- Hangzhou Bestbuy Hardware Machinery Factory
- Main business:
- Caribbean RegionBermuda
- Wuxi Guozhan Metal Material Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Xiongchen Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Suzhou Dahua Ship Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Guangzhou PSP Composite Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Up Pipe Fittings Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- RDC Group UK Ltd
- Main business:
- Caribbean RegionBermuda
- Qingdao Huixiang Electrical Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Dalian Metal Products Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Mingchao Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Beirun Hydraulic Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yuhuan Shengpeng Copper Co., Ltd.
- Main business:
- Caribbean RegionBermuda