Plate core is adopted high-frequency vacuum brazing technology,with compact structure,with strong pressure -resistance (bursting pressure >7Mpa)、with big heat exchange density in unit space(The surface of area is 1000㎡/m3), is widely applicable to all kinds of Engineer Machinery、Oil and Gas Equipment、Aviation Service Equipment、Wind Power.Mainstream structure:water cooler + oil cooler + intercooler of combination parallel structure,is best for engineer machinery engine of above national Ⅲ emissions.