众所周知 :产品和工程质量 ,小为一个企业 ,大为一个国家管理水平和科技水平的综合反映 ,更是企业生存和发展的关键。企业生产并售出市场需求产品的最终目的是 ,得到效益回报。而产品销售的好坏 ,首要原因就在于产品质量的优劣。人们常说的产品质量 ,是指产品适合一定用途并能 As we all know: the quality of products and engineering, small as a business, greatly for a national management level and a comprehensive reflection of science and technology, but also the key to business survival and development. The ultimate goal of producing and selling market demand products is to get a profit return. The quality of the product sales, the primary reason lies in the pros and cons of product quality. People often say that product quality, refers to the product for a certain purpose and can