Shanghai Yangsong Construction Machinery Co.,Ltd. specializes in exporting used heavy machinery such as excavators, loaders, bulldozers, motor graders, and cranes. Crawler crane contains Hitachi, and Tadano. Truck crane includes Kato, Tadano, SUMITOMO, LIEBHERR and others. Loader and grader contain CATERPILLAR and KOMATSU. Bulldozer mainly has CATERPILLAR and KOMATSU. Excavator includes HITACHI, SUMITOMO, KOMATSU and CATERPILLAR.address ?No.2588 Longwu Road Xuhui District ,Shanghai