- Shandong Overwell International Economy & Cooperation Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Fujian Filo Power Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Shuanghui Pipe Fittings Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cixi Xinxing Petrochemical Fittings Factory
- Main business:
- Caribbean RegionBermuda
- Hebei Yusheng Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Taizhou Fengde Mechanical & Electrical Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai TXM Pipe Fittings Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shandong Grad Group Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Nodha Machinery Co Limited
- Main business:
- Caribbean RegionBermuda
- Haiyan Hama Hardware Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Kaida Pipe System Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Changchun Zhucheng Group Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangyin JinHaiFeng Flange Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Haiyuan Pipe Fitting Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Shi Yinzhou Qiujing Machine Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Rongkang Sealing Co., Ltd. (Sales Department)
- Main business:
- Caribbean RegionBermuda
- Ningguo Zhongchen Seals Co Ltd
- Main business:
- Caribbean RegionBermuda
- Guangdong Foshan Linton Air-Conditioning Fittings Factory
- Main business:
- Caribbean RegionBermuda
- Xuyi Titan And Material Co.,ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Dingxing Air Tools Co., Ltd.
- Main business:
- Caribbean RegionBermuda