- Yingkou Ouyang Metal Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Lueyu Pipe Fittings Manufactory Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Zhongrun Steel Tube Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Lianggang Pipe Fitting Valve Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Shuimiao Pipe Fitting Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shandong Zouping Jianhua Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Yinling Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hangzhou Darhor Technology Co., Limited
- Main business:
- Caribbean RegionBermuda
- Taiyuan Hongchuan Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Tianda Petroleum Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhangjiagang Youlike Hydraulic Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Veritas Tech (Ningbo) Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Qingdao Jinfer International Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shaoxing City Yuecheng Yunshui Machinery Factory
- Main business:
- Caribbean RegionBermuda
- Yuhuan Aolong Valves Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Qunfeng Stainless Steel Products Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yuhuan Chishi Valve Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Botou Yaxing Fluid Equipment Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Aokai Safety Science And Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo JKD Pneumatic Engineering Co., Ltd.
- Main business:
- Caribbean RegionBermuda