- Beijing Hengji Metal Structure Co., Ltd.
- 全国主营:Stranded steel wire
- Xingtai Longyao Xinliang Screw Factory
- 全国主营:Round nail
- Botou Beijiao Xingteng Hardware Factory
- 全国主营:Hardware pressed parts
- Shijiazhuang Pingshan Xishuinian Foundry
- 全国主营:Ingot iron castings
- Shijiazhuang Changan Jixian Pipe Fittings Factory
- 全国主营:Plumbing and heating pipe fitting
- Shanghai Xuecheng Industrial Co., Ltd.
- 全国主营:Steel forging
- Jiangyan Hongyuan Metals Factory
- 全国主营:Metal pressing
- Jiangyin Binjiang Boat Fittings Factory
- 全国主营:Steamboat fittings
- Jinzhong Pingyao Yuebi Machine Works
- 全国主营:Iron castings
- Wuxi Changsheng Steel Structure Co., Ltd.
- 全国主营:Steel beam
- Liaoyang Dingsheng Barrel Factory
- 全国主营:Iron bucket
- Feng Xian Sanxing Casting Co., Ltd.
- 全国主营:Iron castings, Steel castings
- Changchun Cast Steel Factory
- 全国主营:Steel castings
- Shanghai Jialin Metal Product Co., Ltd.
- 全国主营:Iron nail
- Shanghai Pudong Beicai Weihang Hardware Factory
- 全国主营:Hardware, Cold-worked parts, Cast
- Tianjin Hospital Equipment Factory
- 全国主营:Medical treatment bed, Tooth repair equipment and Automotive parts
- Wenzhou Qunying Mechanical Standard Parts Co., Ltd.
- 全国主营:Stainless steel fasteners
- Tianjin Hongri Tin Making Co., Ltd.
- 全国主营:Tinplate empty tin
- Shanghai Hadiwei Stainless Steel Co., Ltd.
- 全国主营:Standard parts