随着科学技术的进步，社会生产力的发展，市场竞争愈来愈激烈，竞争的焦点之一是产品质量。需方希望供方企业所提供的产品质量要好，特别是那些结构复杂，制造难度大的产品，不仅要供方提出产品质量要求，而且还十分重视供方对影响产品质量的诸方面的管理，技术，人员等因素进? With the advancement of science and technology and the development of social productivity, market competition has become increasingly fierce. One of the focuses of competition is product quality. The demanding party hopes that the quality of products provided by supplier companies will be better. In particular, those products with complex structures and difficult manufacturing requirements not only require suppliers to put forward product quality requirements, but also attach great importance to suppliers’ management of aspects affecting product quality. Technology, personnel and other factors into the?