联合收割机产品是农业生产中重要的生产资料。近年来，随着农村经济的发展，农民收入不断提高，加之易地跨区收获作业方式的兴起，其产量也随着需求量的迅速增长而增加。据不完全统计，目前我国成规模的联合收割机生产企业有近百家，年总产量已达数万台，联合收割机行业已经成 Combine harvester products are an important means of production in agricultural production. In recent years, with the development of rural economy, the continuous improvement of peasants’ incomes and the rise of easily trans-regional harvesting operations have also increased their output as the demand rapidly increases. According to incomplete statistics, there are nearly 100 combine harvester manufacturers in our country at present. The total annual output has reached tens of thousands of units, and the combine harvester industry has become