近年来，由于国家实行货币从紧、压缩固定资产投资规模的宏观调控政策，影响了中小型工程机械的市场。与此同时，大型工程机械与有特殊要求的产品未能跟上形势发展的需要，也是影响工程机械市场的重要因素。加之产品的质量和可靠性与国爿’产品的差五巨，大量进口工程机械对国? In recent years, due to the country’s macroeconomic control policies of tightening the currency and compressing the scale of investment in fixed assets, the market for small and medium-sized construction machinery has been affected. At the same time, large-scale construction machinery and products with special requirements have failed to keep up with the needs of the development of the situation and are also an important factor affecting the construction machinery market. In addition, the quality and reliability of products are different from those of other countries’ products.