- Shanghai Hudong Shipmaking Foundry
- 全国主营:Steel casting
- Shanghai Putuo Guangming Metal Wire Mesh Factory
- 全国主营:Iron wire mesh, Protective hurdle
- Shanghai Dongfang Storage Tank Company Limited
- 全国主营:Storage tank
- Anhui Sanlian Pump Industry Co., Ltd.
- 全国主营:Pump, Pump parts, Castings of steel and iron, Valve
- Beijing Tongyixin Metal Structure Factory
- 全国主营:Metal structure
- Shanghai Shengsheng Standard Parts Co., Ltd.
- 全国主营:Wood screw, Standard parts
- Shanghai Hangxing Boiler Manufacture Co., Ltd.
- 全国主营:Industrial boiler, Pressure container, Environmental protection equipment, Auxiliary machine
- Beijing Puqiweiye Machinery And Equipment Co., Ltd.
- 全国主营:High precision lock nut, Main shaft
- Wuxi No.2 Standard Parts Manufacturing Co., Ltd.
- 全国主营:High-strength stainless steel fastener.
- Shanghai Huihang Mechanical And Electrical Manufacture Equipment Co., Ltd.
- 全国主营:Oil vehicle, Material rack
- Shanghai Sidier Industrial Co., Ltd.
- 全国主营:Iron tower, Telegraph pole
- Taizhou Hairui Electronic And Plastic Factory
- 全国主营:Christmas lamp, flower lamp, plastic commodity, horticulture tool, sprayer
- Qingdao Yasen Wood Industry Co., Ltd.
- 全国主营:Door planks series, Door fan, Carpenter machinery.
- Rizhao Herong Metal Products Co., Ltd.
- 全国主营:Casting flange, Forging flange, Steel plate flange, Pipe fittings, Cast pipe.
- Wuxi Dongjiang Standard Parts Factory
- 全国主营:Standard parts.
- Shanghai Taiji Hardware Manufacture Co., Ltd.
- 全国主营:Hardware
- Shanghai Cunxin Metal Product Co., Ltd.
- 全国主营:Metal product
- Dongguan Rifeng Mould Shop
- 全国主营:Mould
- Beijing Chaoyang Chemical Equipment Factory
- 全国主营:Chemical equipment, Metal structure.
- Beijing Huailu Tin Factory
- 全国主营:Iron product.