Technique Imported Model of Tractor Trade

Road of tractor trade is that technique is imported，digested，absorbed and innovated again in China. The choice of technique imported model will directly determine the period and final result of technique imported.Much more technique imported model was showed and analyzed.According to the compare of each other，new model of technique imported was good in the time of technique digested，engineer trained and management promoted.It has great popularization value and reference significance.