- Renqiu Hongyan Telecommunications Equipment Factory
- 全国主营:Steel structure products
- Quanzhou Yuanquan Automatic Door Co., Ltd.
- 全国主营:Induction automatic door.
- Beijing Zhongcheng Construction Technology Development Company
- 全国主营:Automatic garage door, Courtyard door, Retractable door and Handrail floriation.
- Wenzhou Yongtong Tubing Factory
- 全国主营:Stainless steel product.
- Shaanxi Steel And Iron Research Institute Metal Product Branch
- 全国主营:Metal product.
- Shanghai Dingxin Generating Equipment Co., Ltd.
- 全国主营:Power set, On-off control screen.
- Jincheng Yangcheng Hongqi Machinery Works
- 全国主营:Machinery and equipment
- Shanxi Construction Machine Works
- 全国主营:Steel templet, Crane.
- Tianjin Haojiayi Electronic Technology Co., Ltd.
- 全国主营:Duplicate supply hospital switch, Power distributing cabinet, Electric appliance control cabinet
- Shanghai Zhanyi Metal Product Co., Ltd.
- 全国主营:Steel wire rope
- Quanzhou Kaidele Rolling Curtain Door Co., Ltd.
- 全国主营:Rubber vulcanization tank, Beer saccharification four-device set, Beer fermentation tank, Rolling curtain door.
- Xi'an Baoshijia Industrial Co., Ltd.
- 全国主营:Glasswork, Casting.
- Shanghai Shanyou Harness Co., Ltd.
- 全国主营:Harness.
- Shanghai Meibao Steel Structure Co., Ltd.
- 全国主营:Steel structure product.
- Nanjing Shiji Xiongruilai Scaffold Industrial Co., Ltd.
- 全国主营:Forging, Scaffold.
- Shandong Sanwei Steel Structure Co., Ltd.
- 全国主营:Steel structure material, Colour plate, Architectural machines, Net frame, Composite door, Stainless steel product
- Tianjin Jindong Xinsheng Spring Factory
- 全国主营:Spring
- Pingdingshan High Strength Standard Parts Co., Ltd.
- 全国主营:Standard component
- Tianjin Haina Hardware Processing Factory
- 全国主营:Die casting
- Tianjin Tanggu Jinqing Machining Factory
- 全国主营:Metal structural member