- Tianjin ZhaoLiDa Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shandong Liaocheng Qianhao Steel Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shandong Xiandai Chengxin Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- JSK METALEX LIMITED
- Main business:
- Caribbean RegionBermuda
- Hebei Zhongtai Steel Pipe Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Yonghong Material Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wuxi Meituo Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Juncheng Metal Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Qunshengda Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shenzhen Sancong Pipe Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- National Company for Plastic Industry Ltd
- Main business:
- Caribbean RegionBermuda
- Zhongshan COFIX Metal Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Anping Xinao Metal Product Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- China Construction (Beijing) Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Tianxin Steel Pipe Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- YUNG HUA RUBBER INDUSTRIAL CO LTD
- Main business:
- Caribbean RegionBermuda
- Shanghai Zhongxing Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hunan New Material Industry Group Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Beijing Hengzhixinda Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Bazhou City Quangen Metal Product Co., Ltd.
- Main business:
- Caribbean RegionBermuda