- Beijing Yaguang Jinggang Decoration Engineering Co., Ltd.
- 全国主营:Door and handle
- Qingdao Yibang Electromechanical Co., Ltd.
- 全国主营:Electromechanical product
- Shanxi Yixin Flange Co., Ltd.
- 全国主营:Flanges, Forgings
- Anping Yongju Hardware Mesh Product Factory
- 全国主营:Metal mesh, Metal mesh making machinery.
- Shanxi Yin'guang Metal Product Co., Ltd.
- 全国主营:Magnesium product.
- Liaoyang Minzheng Smelting Works
- 全国主营:Steel template
- Harbin Standard Parts Industry Company
- 全国主营:Fasteners.
- Dandong Zhen'an Light Automobile Components Factory
- 全国主营:Forgings, Pressings
- Yancheng Longgang Xuxiang Screw Factory
- 全国主营:Screw
- Hunan Yuanyi Chain Co., Ltd.
- 全国主营:Chain
- Shandong 3hope Metal Products Co., Ltd.
- 全国主营:Metal products
- Shanghai Duoling Door Co., Ltd.
- 全国主营:Fire door, Security door.
- Shanghai Tunghsing Technology Co., Ltd.
- 全国主营:Composite product
- Shaanxi Chang'an Enterprise Co., Ltd.
- 全国主营:Steel structure, Plates
- Shandong Hengxin Stainless Steel Craft Kitchen Equipment Factory
- 全国主营:Kitchen equipment
- Beijing Changrong Industrial Company
- 全国主营:Jack, Steel structural parts
- Beijing Rongda Fire-fighting Engineering Co., Ltd.
- 全国主营:Building material
- Beijing Beibiao Chaoyu Standard Parts Co., Ltd.
- 全国主营:Fasteners, Building materials, Decoration materials
- Beijing Sijiqing Baoshan Cement Component Factory
- 全国主营:Cement component
- Qingdao Wangsheng Metal Products Co., Ltd.
- 全国主营:Metal products