- Zhejiang Hoastar Valve Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Hangzhou Bright Tools Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Hydrosys (Beijing) Technology Co. Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhongrui International Limited
- Main business:
- Caribbean RegionBermuda
- Zhengzhou City ZhengDie Valve Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Zhejiang Teda Valve Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Airkert Machinery Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Tongling Sind Valves Head Factory
- Main business:
- Caribbean RegionBermuda
- Sinda Valve Industy Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Haoding Pipe & Fittings Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Evergrand Valve Manufacture Co., Ltd
- Main business:
- Caribbean RegionBermuda
- ACOL(Shanghai) Onine Controls Co.,LTD
- Main business:
- Caribbean RegionBermuda
- Holy base goup limited
- Main business:
- Caribbean RegionBermuda
- Sinotide Power Machine Co.,LTD
- Main business:
- Caribbean RegionBermuda
- Dongguan Yufang Steel Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- KPC Corporation
- Main business:
- Caribbean RegionBermuda
- Wenzhou Sheng Tennis Valve Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Hans Tech
- Main business:
- Caribbean RegionBermuda
- Daejung Valve Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hongkun Industry Co.,Ltd
- Main business:
- Caribbean RegionBermuda