- Beijing Huarantiancheng Gas Facility Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wuxi Stg Safety Equipment Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Wuxi Isunrising Steel Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Volant Liquid Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Goldswallow Ozone Sterilizer
- Main business:
- Caribbean RegionBermuda
- Zhangjiagang Jiechuang Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Toppipe International Supply Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangyin Power Apparatus Coolers Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Wenzhou Sholuns PU Tube Factory
- Main business:
- Caribbean RegionBermuda
- Hebei Kaiyue Pipeline Equipment Co.,ltd
- Main business:
- Caribbean RegionBermuda
- Zhejiang Jiede Pipeline Industry Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Kaida Pipe Co.,
- Main business:
- Caribbean RegionBermuda
- Chengdu Yingfeng Baogang Heavy Forging Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangyin Zhaotong Tube Company Ltd.
- Main business:
- Caribbean RegionBermuda
- Qinhuangdao Dongyan Pipe Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangsu Huahong New Energy Resources Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Jiarui FRP Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Fenghua Nuoteer Matel Hose Factory
- Main business:
- Caribbean RegionBermuda
- SRET Equipments Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Zent Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda