- Cangzhou Wuzhuangzi Yongxing Coopery
- 全国主营:TDI packing barrel
- Yixian Baiquan Foundry
- 全国主营:Iron castings
- Jinbao Lianhe Spring Factory
- 全国主营:Spring
- Dingxiang Dongli Shengda Forging Works Shanghai Office
- 全国主营:Flange plate
- Wuxi Yuanhua Special Type Pump And Valve Factory
- 全国主营:Valve, Pipe connection, Water pump
- Liaoning Hydraulic Pressure Economic And Trade Industrial Co., Ltd.
- 全国主营:Hydraulic parts
- Ningbo Xinyang Weiye Hardware Co., Ltd.
- 全国主营:Fasteners
- Changchun Nanguan Yuanda Foundry
- 全国主营:Iron casting
- Dalian Xigang District Yihai Glass Craft Works
- 全国主营:Stainless steel door window.
- Cangzhou Lida Machine Tool Accessories Co., Ltd.
- 全国主营:Coupling, Towline, Cooling tube, Protective cover.
- Tianjin Yingxin Ship Machinery Co., Ltd.
- 全国主营:Flange.
- Qingdao Bonded Area Rich Young International Trade Co., Ltd.
- 全国主营:Hardware tools, Metal fittings for ships, Iron castings.
- Tianjin Wuqing Longhe Ganggai Hardware Factory
- 全国主营:Corrugated nail.
- Dalian Di er Standard Factory
- 全国主营:Castings
- Fangshan Xinxing Smelting Co., Ltd.
- 全国主营:Ironwork
- Jinzhong Yuci Yinte Hydraulic Forging Factory
- 全国主营:Forging, Iron forging
- Yuci Hujin Textile Machinery Co., Ltd.
- 全国主营:Loom accessories, Diecastings
- Wenxi Zhizhong Coal Dressing Complete Equipment Co., Ltd.
- 全国主营:Coal machine, Coal dressing equipment, MIne machinery, Nonstandard parts
- Baogang Integrated Enterprise Group Corporation No.3 Foundry
- 全国主营:Castings, Rivet-welded workpiece.
- Xinji Yuanzhuang Netting Cover Factory
- 全国主营:Netting cover