- Dacheng Chengpu Spring Factory
- 全国主营:Steel plate spring
- Hebei Pingxiang Zungui Bicycle Basket Factory
- 全国主营:Bicycle basket
- Hebei Mengcun Jinshui Pipeline Manufactory
- 全国主营:Pipe fittings
- Shenzhen Kaihuayuan Mechanical And Electrical Product Co., Ltd.
- 全国主营:Machine case, Machine cabinet, Metal pressing.
- Shenzhen Jingcheng Packing Material Co., Ltd.
- 全国主营:Metal packing product
- Mingguang Shengda Spring Manufacturing Co., Ltd.
- 全国主营:Spring, Sheet spring, Stamping parts, Elastic shield ring
- Ma'anshan Tianma Electric Power Metal Tool Co., Ltd.
- 全国主营:Electric power metal tools
- Ma'anshan Tianyu New Material Co., Ltd.
- 全国主营:Reinforcing steel bar welding net
- Qinhuangdao Dadi Colour Plate Steel Structure Co., Ltd.
- 全国主营:Colour steel product, Light steel structure
- Guangzhou Yuyi Advertisement Products Co., Ltd.
- 全国主营:Display product
- Hebei Feiyue Communication Device Factory
- 全国主营:Iron tower
- Hebei Hengshan Garage Door Factory
- 全国主营:Garage door
- Shenzhen Xunchi Electronics Co., Ltd.
- 全国主营:Electronic product
- Beijing Xinchao Plastic-steel Door And Window Co., Ltd.
- 全国主营:Plastic-steel door and window
- Shenzhen Maishide Hot Runner Injection Molding Technology Co., Ltd.
- 全国主营:Hot runner system
- Suzhou Tengxin Hardware Products Co., Ltd.
- 全国主营:Hardware products
- Anhui Zhengda Metal Product Co., Ltd.
- 全国主营:Nail
- Shanghai Xionglian Precision Machinery Fittings Co., Ltd.
- 全国主营:Fasteners
- Shenzhen Shuochuang Precise Machine Co., Ltd.
- 全国主营:Hardware auto parts
- Zhejiang Zhuji Zhongma Chain Factory
- 全国主营:Chain