- Nanjing Zhiteng Highway Material Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Haolin Commerce & Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangyin Hualong Stainless Steel Tube and Tubular Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Kept Industry Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Nanjing Lizhi Highway Material Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Guanghua Hardware Plastic Factory
- Main business:
- Caribbean RegionBermuda
- Efya International Imp. & Exp. Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhengzhou Tengan Machinery & Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhaoqing Haibo Jimu Stainless Steel Pipes & Parts Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Zhongdeli Seamless Steel Pipe Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Shengbaotai Sanitary Ware Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tangshan Lianchuang Steel Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jincheng Xingfang Pipe Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhongshan Zhanxiutang Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Chenli Industrial Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shandong Xinjinjiang Import & Export Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Huike Steel Pipes Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ninghai Heshi Plastic Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Glory International Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Qinhuangdao Welland International Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda