What is qc?

The full name of qc is Qualitycontrol, which is responsible for inspecting products and controlling quality. The work of QC is mainly the inspection of finished products, raw and auxiliary materials, etc. QA is the quality assurance for the whole company, including the release of finished products, raw and auxiliary materials and the normal operation of the quality management system. ISO 8402: 1994 defines quality control as "operation technology and activities that meet quality requirements".

Quality control (QC): operation techniques and activities used to meet quality requirements. In order to understand "quality control", we should know how to meet the quality requirements, that is, "suitable for use". In order to achieve this ever-changing "suitability for use", all walks of life have the responsibility to maintain quality and be responsible for a specified action.

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1. Operator control stage: product quality is controlled by the operator alone. 2. Team leader control stage: the team leader is responsible for the product quality control of the whole team.

3. Inspector control stage: set up full-time quality inspectors to be responsible for product quality control. 4. Statistical control stage: Using statistical methods to control product quality is a major breakthrough in quality control technology and creates a new situation of quality control. 5. Total quality management: quality control in the whole process.