Standard operating procedure Product inspection, quality control, and quality management systems are built in a progressive manner to construct the core pillar of an enterprise's quality. This article revolves around product inspection, quality control, and the quality management system... Man machine material method and environmentProcess control and prevention In Xi'an, the contrast in quality certifications of two enterprises shows different outcomes between "system construction" and "mere formalities". This article forms a sharp contrast through the different practices and results of two Xi'an enterprises in ISO9000 certification as told by Professor Liu of... Quality management systemSystem effectiveness The Liquid Crystal Module Department has evolved from "starting from scratch" to quality upgrading, and embraced a new height of quality through strictness. At first, the department had no SOPs, large - customer cases, or stable orders, and could only grope for processes while solving problems... Failure analysis reportLCD Module Department From the perspective of the Kun Gua, guide the quality work at each stage of an enterprise according to the situation to meet the needs of development. The article takes the Kun Gua (the Receptive) as the starting point to elaborate on the close connection between quality work and enterprises... Six Sigma managementQuality balance of medium-sized enterprises Revealing the Quality Temperature and Ultimate Significance in Trivial Life Matters from the Perspective of Quality Professionals Quality professionals view trivial matters in life with a quality mindset and translate professional terms into sensory language for daily life... Critical parameter deviationThe quality in life The new manager encounters a "troublemaker" employee upon taking office, and the general manager's "personal feelings" undermine the company's management. Chen Qiang refused to follow the arrangements, missed inspections and made misjudgments... Missed detection and false judgmentStandard operating procedure