- Beijing Xinli Machinery Works
- 全国主营:Fine product machines
- Beijing Xiantai Rolling Curtain Decoration Factory
- 全国主营:Rolling curtain
- Beijing Wellhead Technology Development Company
- 全国主营:Sterilizer, Water softener, Hollow fiber device, Filter element, Filtrating equipment, Water supply equipment
- Mitsubishi Business (guangzhou) Co., Ltd.
- 全国主营:Metal product, Garments.
- Beijing Risheng Yueda Industry And Trading Co., Ltd.
- 全国主营:High strength burglarproof door, Guardrail, Fencing net, Anti-explosion industrial footplate
- Luoyang Kuangyan Machine Co., Ltd.
- 全国主营:Liner plate
- Hebei Xinyue Electronic Casing Co., Ltd.
- 全国主营:Metal sheet parts, Cabinet.
- Hebei Wanlong Steel Structure Co., Ltd.
- 全国主营:Color steel compound sandwich plate, Colour steel tile.
- Dangtu Xinqiao Hardware Factory
- 全国主营:Lathe tool, Planer tool, Cutter holder, Bolt cap
- Luohe Electric Material Factory
- 全国主营:Electric materials
- Luoyang Qinling Rolling Curtain Door Factory
- 全国主营:Door and window
- Luoyang Haiyu Electronic Co., Ltd.
- 全国主营:Alarm device, Doorbell, Rolling gate
- Luzhou Shengong Forged Co., Ltd.
- 全国主营:Steel forging
- Longkou Rigging General Factory
- 全国主营:Steel wire rope hank tie, Screw.
- Nanjing Hongyan Machine Manufacturing Co., Ltd.
- 全国主营:Cast iron parts, Galvanized iron parts
- Lingyuan Hengxing Steel & Plastic Co., Ltd.
- 全国主营:Casting, Alloy steel castings
- Linyi Boiler Fittings General Factory
- 全国主营:Boiler fittings.
- Chongqing No. 2 Standardized Parts Factory
- 全国主营:Fastening, Standard parts.
- Hebei Zhaodu Metal Products Co., Ltd.
- 全国主营:Hardware products
- Qingdao Licang Zhengtong Standard Component Factory
- 全国主营:Hardware standard parts