- Zibo Yameng Auto Plate Spring Co., Ltd.
- 全国主营:Plate spring
- Zibo Shenglong Industrial Group Corp.
- 全国主营:Radiator, Aluminium alloy door and window, Burglar-proof door
- Jinan Kuixin Army of the pin factory
- 全国主营:Fasteners
- Jinan Yuhang Standard Component Co., Ltd.
- 全国主营:Nonstandard parts, Atypical unit, Injection molding, Screw, Nut
- Shanghai Shiny Kitchens Cabinet Decorative Product Co., Ltd.
- 全国主营:Baking painted door
- Zibo Zhoucun Jingshan Building Material Co., Ltd.
- 全国主营:Steel structure frame, Sandwich board, Color coated steel roofing
- Weifang Guangyuan Goods And Materials Economic And Trade Center
- 全国主营:Rivet weldment
- Jinan Yake Automobile Assembly Co., Ltd.
- 全国主营:Auto components and parts, Metal component, Auto accessories
- Zibo Aijie Building Material Co., Ltd.
- 全国主营:Steel shelf
- Hebei Dongyang Electric Control Meter Whole Set Equipment Factory
- 全国主营:Electric control cabinet, Cabinet of instrument, Power distribution cabinet
- Shandong Ningjin Qiankun Industrial Co., Ltd.
- 全国主营:Glass machinery, Food machinery, Agricultural machinery, Chains, Guipure, Steel wire, Stainless steel wire, Stainless steel plate
- Weifang Fangzi Mucun Yuejin Foundry
- 全国主营:Iron castings
- Weifang Changle Hengle Founding Material Factory
- 全国主营:Resin-coated sand, Filtering screen, Cast
- Zibo Haiyan Screen Processing Co., Ltd.
- 全国主营:Metal screen mesh
- Dezhou Qingyun Dongfeng Iron And Plastic Product Co., Ltd.
- 全国主营:Iron covering barrel
- Linqing Huachang Electromechanical Manufacturing Plant
- 全国主营:Electric machine, Machine part, Standard component
- Linqing Hongda Electromechanical Chemical Co., Ltd.
- 全国主营:Constant voltage generator, Textile appliance fittings, Agricultural vehicle, Standard component, Bearings, Farming cars fittings, Agricultural machine fittings
- Zouping Qingyang Liujia Xinsheng Smelting Factory
- 全国主营:Metal castings
- Wenling Chiguo Forgings And Steel Castings Factory
- 全国主营:Forgings, Steel castings
- Liaocheng Guanxian Hualong Traffic Electric Power Facilities Co., Ltd.
- 全国主营:Safeguard fence, Shielding fence