Agriculture is one of the driving forces that form during several centuries the image of the Republic of Moldova, nature and culture of the country. In this context regarding the European aspirations of the Republic of Moldova, the re-forms of agro-food sector of the country shall comply with European examples and trends of streamlining the trade management of agro-food sector that shall allow adjusting to the demands of international markets, especially to trade chapter. The objective of this paper is to present a summary of the latest chan-ges in non-parametric approach in order to measure and estimate the efficiency through trade limits. In order to measure the productive efficiency it shall be started by analyzing the input-output coefficients that can be applied to a num-ber of companies and that a standard for measuring the companies’ efficiency establishes a border function as a linear function corresponding to limit of the measured points. This border function can be “effective sales function” that can be used as a reference for comparing the efficiency or inefficiency of different companies dealing with product trading