- Zhejiang Weiyu Pipe Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Dalian Hainuo Information Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Shengzi Import & Export Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Qiai Group Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou North Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jinan Changhong High-Tech Compound-Pipes Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Dalian Standard Piping Material Corp.
- Main business:
- Caribbean RegionBermuda
- Dongying Ruibang Metal Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Longda Plastic Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Puyang Dongfanglong Machine Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yanshan Yida Jinding Pipefitting Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Huahao Metal Material Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Baiyi Steel Pipe Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shijiazhuang Jackre Import & Export Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Wanrui Pipe Fitting Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Gaoyao Jinli New Bangli Hardware Manufactory
- Main business:
- Caribbean RegionBermuda
- Inrise Group Company Limited
- Main business:
- Caribbean RegionBermuda
- Shaoxing Goodnail Hardware Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shijiazhuang H.Y. Zhida Malleable Iron Factory
- Main business:
- Caribbean RegionBermuda
- Sunpool International Corp.
- Main business:
- Caribbean RegionBermuda