- Rushan Dagushan Steel Casting Factory
- 全国主营:Cast steel parts
- Liaocheng Dong'e Yaozhai Machinery Plant
- 全国主营:Casting
- Shandong Chuande Chemical Co., Ltd.
- 全国主营:Bend, Flange, Pressure container.
- Laiwu Gangchengqu Plastic Steel Door And Window Factory
- 全国主营:Plastic-steel door and window
- Gaomi Hongxin Textile Machinery Co., Ltd.
- 全国主营:Casting
- Dalian Midland Trading Co., Ltd.
- 全国主营:Building accessories, Water pipe.
- Jining Standard Parts Factory
- 全国主营:Engineering machinery, Screw, Nut
- Shenzhen Chenggong Weiye Mechanical Equipment Co., Ltd.
- 全国主营:Electroplating equipment
- Rongcheng Beiyaxi Industrial Company
- 全国主营:Casting
- Wendeng Space Net Frame Engineering General Corporation
- 全国主营:Metal structure product
- Rizhao Wulian Wire-drawing Mill
- 全国主营:Hard-drawn wire, Coop
- Tai'an Dongfeng Casting Co., Ltd.
- 全国主营:Iron casting
- Cangzhou Yaxing Pipeline Co., Ltd.
- 全国主营:Pipeline
- Crawford Door (kunshan) Co., Ltd.
- 全国主营:Door
- Beijing Forestry University Forest Science Co., Ltd. Seed Branch
- 全国主营:Plant product for garden virescence.
- Beijing Fushou Medical Equipment & Technology Co., Ltd.
- 全国主营:Rehabilitation equipment
- Zibo Zhangdian Shengyuan Industrial Co.
- 全国主营:Ironwork
- Pingdu Hardware, Electrical Appliance And Chemical General Co.
- 全国主营:Household electric appliance
- Qingdao Zhuyou Industrial Co., Ltd.
- 全国主营:Casting, Machinery fittings.
- Shenzhen Arosson Industrial Co., Ltd.
- 全国主营:Hardware parts