- Hubei Jiaheng Science and Technology Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Hangzhou gekai trading Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Zhucheng Three-Dimensional Pipeline Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Fuhua Pipe Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Haoguan Pipe Fittings Manufactory Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhuji Global Import and Export Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Minde Building Materials Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Idyllic Hydraulic Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cixi Chengtuo Hardware Parts Factory
- Main business:
- Caribbean RegionBermuda
- Yuyao Megaflow Fitting & Valves Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jilin Tianze Pipe Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Zhonghao Pipeline Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yuhuan Jiaodu Valve Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanxi Taigu County Jingu Cast Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Taizhou Zhuoxin Plastics Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Lianda Plastic Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Haixin Pipe Fittings Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Weifang Huoda Pipe Fittings Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Fuzhou LongJi Machinery Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Huasheng Modern Casting Co., Ltd.
- Main business:
- Caribbean RegionBermuda