- Shanghai Westingarea M&E System Co., Limited
- Main business:
- Caribbean RegionBermuda
- Yuhuan Gozen Hydraulic Fittings Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yuyao Zhangting Xintian Pipe Fittings Factory
- Main business:
- Caribbean RegionBermuda
- Jiangsu Wangong Science & Technology Group Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Yinzhou Hengyuan Hydraulic Components Factory
- Main business:
- Caribbean RegionBermuda
- Worldwide Gas Springs International (HK) Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jianhu Xingyuan Petroleum Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Province Zhuji City Shihui Hydraulic Pressure Instrument Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Qingdao Donghailong Plastic Engineering Material Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Jiuxing Rubber & Plastic Product Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Century Sun Energy Technology (Shanghai) Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin North-pipe Trade Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Fujian Longsheng Heavy Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Seertools Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Golden Source International Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Dinsi Machinery & Electronic Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shijiazhuang Jinshi Industrial Metal Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Xinlian Petroleum Pipe Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Shilin Electrical Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Yowee Hydraulic Co., Ltd.
- Main business:
- Caribbean RegionBermuda