1. The emergence of the concept of zero defect: Philip B. Crosby, known as "the global quality management master", "the father of zero defect" and "the great management thinker", put forward the idea of "zero defect" in the early 1960s, and implemented the zero defect movement in the United States.
2. Later, the idea of zero defect spread to Japan and was fully promoted in the Japanese manufacturing industry, making the product quality of Japanese manufacturing industry rapidly improved and ahead of the world level, and then further expanded to all fields of industry and commerce.
3. The core of zero defect theory is: "Do things right the first time".
