- Ningxiang Longfengshan Foundry
- 全国主营:Iron castings.
- Wangcheng Xueshi Machine Works
- 全国主营:Muller, Iron castings.
- Beijing Machinery And Equipment Import And Export Co.
- 全国主营:Hardware & tools, Castings & forgings, Rubber products, Machine tool.
- Luoyang Jingang Casting Co., Ltd.
- 全国主营:Casting
- Hebi Hualong Machinery Works
- 全国主营:Steel casting, Small mine car
- Beijing Xingchengshun Contour Plate Co., Ltd.
- 全国主营:Corrugated iron, Composite plate.
- Pingjiang Standard Component Factory
- 全国主营:Standard fasteners
- Hebi Heshan Standard Parts Co., Ltd.
- 全国主营:Standard parts.
- Huzhou Anji Liangpeng Fuli Casting Factory
- 全国主营:Castings
- Deqing Baishun Heat Resistant Steel Factory
- 全国主营:Steel-casting
- Feidong Manganese Steel Factory
- 全国主营:Manganese steel casting
- Tongcheng Qingcao Standard Component Factory
- 全国主营:Standard fasteners
- Tongcheng Hardware & Plastic Factory
- 全国主营:Punching-press workpiece
- Tianjin Qingtai Hoisting Pulley Factory
- 全国主营:Hoisting equipment
- Hangzhou Shengfeng Chain Industrial Co., Ltd.
- 全国主营:Chain, Chain sheet
- Xintai General Machinery Works
- 全国主营:Copper-aluminium cast, Concrete elevator, Conveyor
- Jinan Heavy Cast Steel Mill
- 全国主营:Cast
- Changyi Changsheng Casting Co., Ltd.
- 全国主营:Heating radiator, Sewage pipe, Iron casting
- Changyi No. 2 Hardware Factory
- 全国主营:Steel window