- Hebei Giant Steel Pipe Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhangjiagang Xingyu Pipe Co.Ltd
- Main business:
- Caribbean RegionBermuda
- Xiamen Astong Industry & Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Rizhao Ruiying Plastic Products Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Zhonshan Sigle Silicone Products Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hangzhou Xineng New Material Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Qingdao Chenxiao Imp and Exp Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Qingdao Sino Steel Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Tianjin Development Zone Ganghua Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Pack Industrial & Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Charmcleo Plastic Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Foshan Shunde Xinli Mould Plastic Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhongxing Energy Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Liqun Steel Pipe Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Dama Trading Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Xinrong Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Dongmao Special Steel Metal Material Trade Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- G. Star Science&Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Taizhou City Huangma Sanitary Ware Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhuji City Sanlirifeng Pipe Industrial Co., Ltd.
- Main business:
- Caribbean RegionBermuda