Cooler for the Tank of Auto/Machinery 1.Compact structure. 2.Excellent quality. 3.Energy ... 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, ... drawing. oil cooler for the Tank of Auto/Machinery