- Shanghai Higurashi Stainless Steel Co., Ltd.
- 全国主营:Stainless steel decoration, Steels non-standard product.
- Yuechi Auto Spring Co., Ltd.
- 全国主营:Auto spring
- Shanghai Taiping Hardware Industry Co., Ltd.
- 全国主营:Hardware.
- Sichuan Meizhou Communication Equipment Factory
- 全国主营:Communication equipment
- Sichuan Wutongqiao Changcheng Machinery Manufacturing Co., Ltd.
- 全国主营:Automatic extension door
- Sichuan Zhenhua Pharmaceutical Mechanical Engineering Co., Ltd.
- 全国主营:Pharmaceutical machinery
- Dongguan Kunfeng Hardware Products Co., Ltd.
- 全国主营:Hardware fittings
- Qingdao Haihao Steel Structure Co., Ltd.
- 全国主营:Steel structure product
- Wenzhou Ruiyi Hardware Tools Co., Ltd.
- 全国主营:Hardware tools, Standard component, Locks, etc
- Xi'an Hengxing Precision Mechanical Spring Co., Ltd.
- 全国主营:Spring.
- Railroad Department Bridge Engineering Bureau Bridge Machinery Manufactory
- 全国主营:Engineering drilling machine, Steel beam, Crane.
- Wuhan Hanyang Shenlong Machinery Manufactory
- 全国主营:Casting
- Wuhan Steel Ball Factory
- 全国主营:Steel ball
- Wuhan Juntong Standard Parts Co., Ltd.
- 全国主营:Fasteners
- Wuhan No. 2 Standard Parts Factory
- 全国主营:Standard fasteners.
- Wuhan Machinery Industrial Research Institute
- 全国主营:Castings