- Nanjing Jiangnan Machine Factory Co., Ltd.
- 全国主营:Single hydraulic prop
- Shanghai Censheng Industrial Co., Ltd.
- 全国主营:Metal structural member
- Shanghai Baoshan Zhengyi Cast Steel Factory
- 全国主营:Steel casting
- Baoshan District Liuxing Fastener Factory
- 全国主营:Fastener
- Tianjin Shengxuan Industrial And Trade Co., Ltd.
- 全国主营:Carton, Aluminium alloy door and window, Plastic-steel door and window
- Qinhuangdao Xinshi Industrial Company
- 全国主营:Round nail
- Shanghai Xiongdi Industrial Co., Ltd.
- 全国主营:Electric appliance frame
- Xuzhou Shunfeng Automatic Door Industry Co., Ltd.
- 全国主营:Electric extension door
- Xingguo Yongsheng Industry Co., Ltd.
- 全国主营:Plastic-steel door and window
- Tianjin Defeng Coating Grinding Apparatus Co., Ltd.
- 全国主营:Fastener
- Shanghai Jiucheng Metal Structural Member Co., Ltd.
- 全国主营:Metal structural unit
- Yixing Zhangze Industrial General Corp.
- 全国主营:Casting
- Tianjin Yilinqiang Industrial And Trading Co., Ltd.
- 全国主营:Bolt stud
- Changzhou Hongqi Castings Factory
- 全国主营:Ferrous casting
- Shanghai Ziye Technology Development Co., Ltd.
- 全国主营:Foundry machinery
- Shenyang Heyu Industrial And Trading Co., Ltd.
- 全国主营:Standard components
- Datong Guangyuan Enterprise Company
- 全国主营:Steel structure products
- Shanxi Xinhe Industrial Co., Ltd.
- 全国主营:Castings, Machinery
- Jinzhou Zhenxing Foundry
- 全国主营:Ironcastings