- 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
- Qingzhou Qiangli Automobile Fittings Factory
- 全国主营:Bolt, Nut.
- Linqu Jinbao Foundry
- 全国主营:Iron casting
- Beijing Xundeli Packing Equipment Co., Ltd.
- 全国主营:Packing equipment, Furniture
- Ningxiang Foundry
- 全国主营:Iron castings.
- Ningxiang Longfengshan Foundry
- 全国主营:Iron castings.
- Wangcheng Xueshi Machine Works
- 全国主营:Muller, Iron castings.
- Beijing Machinery And Equipment Import And Export Co.
- 全国主营:Hardware & tools, Castings & forgings, Rubber products, Machine tool.