- Ningbo Tongxin Valve & Fitting Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- ghai Tomson Plastic Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Tongxiang Metal Material Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Hongshuo Pipe Fitting Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Xinpeng Zhiyuan Pipe Fittings Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shandong Lede Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Jiekang Pipe Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Fushun Haili Machinery Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Jinggong Petroleum Pipe Fitting Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangyin Kangqi Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Dongguan Tianying Mould Fitting Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Dalian Aodemei International Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Tengjian Pipe Fittings Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Wanxin Pipe Fittings Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- A. R. ENTERPRISES
- Main business:
- Caribbean RegionBermuda
- Hebei Yuanji Piping Equipment Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Jinniu Pipes Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhenjiang Tongda Electronics Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Qinhuangdao North Metal Hose Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Suiming Electrical Appliance Ltd.
- Main business:
- Caribbean RegionBermuda