- Haiyang Tongyong Hardware Co., Ltd.
- 全国主营:Furniture hardware
- Tangshan Hongda Hot Rolling Co., Ltd.
- 全国主营:Band steel, Continuous rolling billets
- Shanghai Heshun Hardware Standard Component Co., Ltd.
- 全国主营:Standard component
- Hongrongyang Machinery Industry (shenzhen) Co., Ltd.
- 全国主营:Machinery parts
- Zhongshan Doer Automatic Door & Window Technology Co., Ltd.
- 全国主营:Automatic doors and windows
- Dai'ao Metalwork (shenzhen) Co., Ltd.
- 全国主营:Metal slat
- Guangzhou Winton Trade Co., Ltd.
- 全国主营:Pipe fittings, Steel tube
- Ma'anshan Changda Industrial Co., Ltd.
- 全国主营:Stainless steel projects
- Yuci Zhangqing Castings And Forgings Factory
- 全国主营:Well cover
- Xiamen Jia Da Quan Valves & Fittings Co., Ltd.
- 全国主营:Valves, Fittings, Flange.
- Zhuzhou Chuangzui Frequency Conversion Welding Screen Mesh Manufacturing Co., Ltd.
- 全国主营:Stainless steel sieve plate, Sieve basket, Filter sieve tube
- Zhuzhou Kaili Mechanical Equipment Manufacturing Co., Ltd.
- 全国主营:Petrochemical mechanical equipment
- Shenyang Tianyuan Stainless Steel Co., Ltd.
- 全国主营:Stainless steel material
- Shenyang Zhongtian Plastic-steel Door And Window Co., Ltd.
- 全国主营:Plastic-steel door and window
- Shenyang Shengyao Glass Co., Ltd.
- 全国主营:Glass
- Guimeng Industrial Development (shenzhen) Co., Ltd.
- 全国主营:Bike accessories, Motorcycle fluted disc chain
- Fogang Tangtang Yiming Foundry
- 全国主营:Cast
- Shenzhen Tiansu Industry Development Co., Ltd.
- 全国主营:Pipe fitting
- Yizheng Runyang Machinery Works
- 全国主营:Packaging steel drum, Piston ring spring, Piston ring.
- Tongling Yingzao (group) Co., Ltd.
- 全国主营:Construction door and window, Furniture, Mechanical equipment.