ZM MACHINERY TRADE CO., LIMITED is a company which has specialized in exporting used Caterpillar,Komatsu and Hitachi heavy equipments for more than 13 years.We have differnts kinds of used construction machines such as Used Graders,Used Loaders,Used Excavators,Used Bulldozers,Used Road Rollers,Used Dumpers and Used Cranes.With 13 years of sales experience and efforts, we enjoy a good reputation in domestic and foreign markets and have established good relationships with more than 20 sales agents around the world.