Vacuum heat-treatment intelligent product line includes almost all the heat treatment processes for different material parts. The product line can be customized according to customers requirements. All the furnaces and other devices working automatically will be supervised by the computer to achieve the programmed processes procedures and match the "Industrial 4.0 development trend and basic elements. This kind of product line is one of the advanced heat treatment furnaces combination. Each kind of furnace mould in this product line will match different treatment process and material requirements. And the line is flexible which means we can change the furnace module in the line for different process required. Also there will be a loading-unloading robot to make less labor.