- Qinhuangdao Renhong Electromechanical Equipment Co., Ltd.
- 全国主营:Metal aluminium alloy door and window, Low voltage electric appliances, Lamps & lanterns, Fence for construction
- Ningbo Zhenhai Dongsheng Economy Industrial Company Nodular Alloy Casting Factory
- 全国主营:Nodular cast iron
- Beijing Zhulian Industrial & Trade Co., Ltd.
- 全国主营:Metal structure, Rivet weldment, Machinery fittings.
- Nanjing Tianmu Door & Window Co., Ltd.
- 全国主营:Wooden windows and doors, Metallic doors & windows
- Shanghai Fuwei Industry And Trade Development Co., Ltd.
- 全国主营:Four-claw nut
- Shanghai Huaxin High-tech Industry Co., Ltd.
- 全国主营:Anti-smash steel head, Anti-perforation steel plate
- Weihai Taiyu Industrial General Corp.
- 全国主营:Forgings, Cast, Steel piece, Iron piece
- Tianjin Wanlicheng Industrial Development Co., Ltd.
- 全国主营:Composite plate, Steel structure
- Shanghai Baixie Industrial & Trade Co., Ltd.
- 全国主营:Burglar-proof door
- Shanghai Weichun Industrial And Trade Co., Ltd.
- 全国主营:Sheet-metal pieces
- Jinan Dongchen Hongye Industry And Trade Co., Ltd.
- 全国主营:Castings.
- Harbin Zhongqiang Industrial Co., Ltd.
- 全国主营:Door & window
- Suzhou Fuxin Can Making Co., Ltd.
- 全国主营:Metal packaging goods
- Zhejiang Ninghai Fine Mould Plastic Factory
- 全国主营:Dynamo-powered lamp of bicycle.
- Hangzhou Shenzhou Industry And Trade Co., Ltd.
- 全国主营:Fastener.
- Xifei Industrial General Co. Metal Sheet Factory
- 全国主营:Nonstandard metal sheet.
- Shanghai Aishi Industrial & Trade Co., Ltd.
- 全国主营:Metallic components and parts
- Shangyu Wanjie Refrigeration Fittings Factory
- 全国主营:Refrigeration fittings
- Shanghai Shenbang Development Co., Ltd.
- 全国主营:Metallic doors & windows
- Chengdu Shuangliu Dongsheng Industry And Trade Co., Ltd.
- 全国主营:Standard parts.