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With a high sense of social responsibility, enterprises vigorously develop circular economy, promote energy conservation and emission reduction, strive to build resource-saving and environment-friendly enterprises, and promote the coordinated development of economic, social and ecological benefits. The deep processing of corn has formed a circular economy model with Xiwang characteristics of raw material recycling and product echelon development. The total utilization rate of raw materials is more than 99%, and the total yield of products is more than 97.5%. It occupies an absolute low-cost advantage in the fierce market competition, and half of the profits of the enterprise come from the circular economy.