Each index in the assessment indexes system of Green Products will affect the greenness of the products. But it is the key problem of Green Manufacturing that how to get hold of the main influence factors and control them to improve the greenness of the products efficiently. In order to solve it, we give a method to assess the greenness of products by dint of the non-uniform assessment model of Green Products based on Data Envelopment Analysis (DEA) and analyze the influence degree on the greenness of produ...