- Zhuji Huagang Chain Transmission Co., Ltd.
- 全国主营:Chain
- Hangzhou Automobile Plate Spring Co., Ltd.
- 全国主营:Automobile spring
- Xiaoshan Guling Automobile Assembly Co., Ltd.
- 全国主营:Automobile assembly
- Hangzhou Kelian Special Automobile Co., Ltd.
- 全国主营:Automobile liquid tank
- Zhejiang Shuntong Boiler Co., Ltd.
- 全国主营:Pressure container
- Yuhuan Auto Parts Industry Company
- 全国主营:Fasteners
- Shangyu Dajin Steel Structure Co., Ltd.
- 全国主营:Steel structure house, Metal door and window.
- Rui'an Tianda Standard Parts Factory
- 全国主营:Fastener
- Rui'an Baimen Fastener Factory
- 全国主营:Fastener
- Dongyang New Building Material Co.
- 全国主营:Composite plate
- Shaoxing Xiexing Spring Manufacture Co., Ltd.
- 全国主营:Spring
- Ningbo Feilong Space Structure Co., Ltd.
- 全国主营:Building metal structural parts
- Wenzhou Ouhai Guoxi No.2 Retainer Ring Factory
- 全国主营:Retainer ring, Open retainer ring, Interior and exterior tooth retainer ring
- Ningbo Electromechanical Industrial Research And Design Academy
- 全国主营:Spiral steel strip protective sheath
- Wenzhou Huada Hardware And Electric Appliance Firm
- 全国主营:Hardware product
- Hangzhou Huahui Valve Co., Ltd.
- 全国主营:Valve.
- Qinghai Feitian Metal Decoration Co., Ltd.
- 全国主营:Electromotive retractable door
- Shandong Jinyuan Aluminium Materials Co., Ltd.
- 全国主营:Aluminium material
- Ningjin Metal Plastic Products Factory
- 全国主营:Polyurethane elastomer hose, Fiber strengthened hose
- Qingdao Jintai Casting Machinery Co., Ltd.
- 全国主营:Chromium wear resistance castings, Alloy steel castings