- Guiping Shepo Steel Casting Factory
- 全国主营:Cast steel parts
- Zhejiang Boneng Transmission Co., Ltd.
- 全国主营:Decelerator, Variator .
- Qingzhou Chengxin Co., Ltd.
- 全国主营:Semifinished forged gear.
- Weifang Fangzi Mucun Casting Factory
- 全国主营:Castings.
- Zhaoyuan Bolt Factory
- 全国主营:Bolt, Nut.
- Laizhou Xiyou Scrap Iron Briquetting Factory
- 全国主营:Iron casting, Scrap iron briquet.
- Dachang Honghai Timber Co., Ltd.
- 全国主营:Sawn wood, Planed wood, Composite wood, Solid wood flooring, Solid wood door and window
- Shandong Chunlong Group Co. Pneumatic Machinery Plant
- 全国主营:Air trigger
- Beijing Derongding Electromechanical Equipment Co., Ltd.
- 全国主营:Electromechanical equipment
- Longyan Qianglong Metal Fiber Co., Ltd.
- 全国主营:Metal fiber filter material.
- Longkou Heating Radiator Factory
- 全国主营:Heating radiator, Cast iron pipe, Casting.
- Haiyang Plastic-steel Door And Window Factory
- 全国主营:Plastic-steel door and window, Aluminium alloy door and window.
- Qingdao Jinhua Group Sales General Corporation
- 全国主营:Automobile maintenance and detection equipment
- Changshu Tongrun Auto Spare Parts Co., Ltd.
- 全国主营:Auto tools, Auto fittings, Jack
- Longkou Power Compensator Factory
- 全国主营:Boiler compensator
- Weifang Fangzi District Qingchi Town Xingde Foundry
- 全国主营:Casting
- Beijing Youbang Shitong Electrical Equipment Co., Ltd.
- 全国主营:Electrical equipment, Electronic component
- Qingzhou Mihe Shijia Foundry
- 全国主营:Iron castings