- Zhenjiang Huanyu Electrical And Mechanical Equipment Factory
- 全国主营:Electrical appliance control equipment
- Wafangdian Line Material Factory Paotai No.1 Factory
- 全国主营:Line material
- Zhenjiang Huitong Metal Shaping Company Limited
- 全国主营:Casting
- Shanghai Kairi Electromechanical Equipment Manufacturing Co., Ltd.
- 全国主营:Magnetic fluid vacuum seal bearing, Pump bearing
- Foshan Lanshi Shencun Renhe Machinery Works
- 全国主营:Fasteners, Bend pipe fittings
- Dongguan Longchang Spring & Hardware Fittings Factory
- 全国主营:Electronic spring
- Dongguan Changan Jinxia Zhixiang Hardware And Screw Manufactory
- 全国主营:Screw, Screw thread, Nut.
- Foshan Nanyong Metal Forging Works
- 全国主营:Machinery forging
- Guangzhou No.7 Standard Part Factory
- 全国主营:Stardard part, Fasteners
- Guangzhou Yuexiu Baiyun Metal Standard Parts Factory
- 全国主营:Fasteners
- Guangdong Yifengsheng Casting Co., Ltd.
- 全国主营:Casting
- Foshan Shunde Chencun Heba Hardware Factory
- 全国主营:Castings
- Jiangmen Xinhui Chengnan Foundry Co., Ltd.
- 全国主营:Iron castings
- Foshan Donghua Foundry Industry Co., Ltd.
- 全国主营:Pig iron casting
- Shenzhen Hengchang Hardware And Spring Factory
- 全国主营:Iron spring
- Zhongshan Sanxiang Junda Metal Screw Factory
- 全国主营:Screw
- Zhongshan Dongqu Light Industrial Machinery Works
- 全国主营:Metal sundries, Iron door and window, Iron brake, Metal furniture
- Dongguan Fenggang Shaling Lianxing Hardware Factory
- 全国主营:Pot nail