- Ningbo Chaiqiao Weiqun Pneumatic Tool Factory
- 全国主营:Gas shovel, Airbrasive, Gas cutting, Pneumatic drill and its fittings etc.
- Rui'an Tangxia Fengshou Standard Parts Factory
- 全国主营:Fastener
- Jinan Wangjia Technology Co., Ltd.
- 全国主营:Steel parts galvanizing by dipping lightness alloy
- Ningbo Beilun Fengshun Oil Pump Manufactory
- 全国主营:Oil pump
- Ningbo Beilun Daqi Yunsheng Mould Manufactory
- 全国主营:Precision mould
- Jieyang Boshi Door Industrial Electronic Machinery Co., Ltd.
- 全国主营:Motor, Rolling curtain door
- Ningbo Fangxia Nonferrous Fastener Factory
- 全国主营:Non-standard parts, Fastening screw
- Ningbo Chunli High Strength Fasteners Factory
- 全国主营:Standard parts, Non-standard bolt
- Shandong Taixin Hardwares Co., Ltd.
- 全国主营:Hardware
- Zhejiang Yuhuan Shengyuan Valve Fittings Factory
- 全国主营:Valves
- Ningbo Zhenhai Ningding High-strength Fastener Factory
- 全国主营:Fastener, Bolt etc.
- Zhejiang Yuhuan Shihai Hardware Product Factory
- 全国主营:Hardware parts
- Dingxiang Xinshiji Machine Co., Ltd.
- 全国主营:Flange
- Dingxiang Jiaming Machine Forging Co., Ltd.
- 全国主营:Flange
- Ningbo Zhenhai Guowei Nonferrous Metal Foundry
- 全国主营:Copper, Aluminium, Stainless steel, Ferroalloy precision casting and forging.
- Ningbo Yinzhou Yunlong Mingyue Plastic Fittings Factory
- 全国主营:Plastic fittings
- Ningbo Yunlong Watercraft Hydraulic Fittings Factory
- 全国主营:Spare parts
- Ningbo Zhenhai Gravity Fastener Factory
- 全国主营:High-strength fastener screw cap and nonstandard product.
- Guangdong Huasen Precise Foundry Co., Ltd.
- 全国主营:Precision casting parts