Production and operation:
Production and operation is the general name of all kinds of organized activities around the input, output, sales, distribution and even maintaining simple reproduction or realizing expanded reproduction of enterprise products. Production and operation is an organic whole of all the work of an enterprise and a system. Income from production and operation refers to the income obtained by enterprises engaged in material production, commodity circulation, transportation, labor services and other profit-making undertakings. Enterprise production and operation is a market-oriented, production-oriented, product-oriented enterprise management model.