- Xuzhou Shenghai Found Co., Ltd.
- 全国主营:Steel casting, Iron casting
- Shanghai Weizhong Hardware And Electromechanical Development Co., Ltd. No.1 Branch
- 全国主营:Revolving joint
- Yizheng Fusite Machine Building Co., Ltd.
- 全国主营:Industrial chain
- Chaohui Guimeng Transmission (suzhou) Co., Ltd.
- 全国主营:Locomotive engine chain, Industrial chain, Bicycle chain
- Jingjiang Dunyi Fasteners Factory
- 全国主营:Standard fasteners
- Boxing Hardware And Electric Appliances Company
- 全国主营:Hardware products.
- Wuxi Hengan Pressure Container Manufacture Co., Ltd.
- 全国主营:Pressure container
- Shanghai Chaiodin Valve Trading Co., Ltd.
- 全国主营:Valves
- Zhoushan Jinteng Machinery Manufacture Co., Ltd.
- 全国主营:Engineering goods
- Dalian Daqing Copper Product Co., Ltd.
- 全国主营:Copper product, Arts & crafts.
- Wujiang Lili Lifeng Hardware Factory
- 全国主营:Iron nail, Iron cover
- Haiyang Dige Door Co., Ltd.
- 全国主营:Door
- Shanghai Tsaikuohsin Hardware Products Co., Ltd.
- 全国主营:Hardware product
- Luoyang Songsheng Cable Reel Tool Co., Ltd.
- 全国主营:Cable reel tool
- Dalian Liushi Pipeline Fittings Co., Ltd.
- 全国主营:Pipeline fittings
- Zibo Jinhua Electric Power Equipment Co., Ltd.
- 全国主营:Low voltage distribution plant, Cable bridge joint
- Dezhou Qihe Yanzi Power Station Equipment Factory
- 全国主营:Wear-resistant casting
- Penglai Petrochemical Fittings Factory
- 全国主营:High strength fastener
- Weifnag Kite Group Tianmu Fire Door Making Centre
- 全国主营:Aluminum alloy door and window, Steel fireproof door
- Zoucheng Jvli Hardware Machine Co., Ltd.
- 全国主营:Hardware tools