Zhongyuan Special Steel Equipment Manufacturing Co., Ltd. belongs to China Ordnance Equipment Group Co., Ltd., and has a complete process chain of material melting, forging, heat treatment and machining. At present, it has a limited number of specialized production lines, such as moving mandrels, oil drilling tools, fan shafts, pipe casting molds, forged steel cold rolls, hydraulic cylinders and so on. Products are widely used in national defense and military industry, major equipment, oil and gas fields, ships, electric power, water conservancy and other fields. And exported to Europe, America, Japan, South.