... . 3.Energy saving. 4.Competitive price. Cooler for the Tank of Auto/Machinery Features:1.Material:Aluminum.2.Process:Vacuum brazing and ... argon-arc welding.3.Application:Widely used in construction machinery,like:excavator, loader, road roller,scraper,paver,bulldozer,rock drill ... to the price and the drawing. oil cooler for the Tank of Auto/Machinery