In ISO 9000: 20 15, quality management is defined as "guiding and controlling the quality coordination activities of the organization". Quality control is defined as "a part of quality management, committed to meeting quality requirements".

According to the control characteristics and sequence of products in the process, product quality control can be divided into four stages: incoming quality control (IQC), process quality control (IPQC), final inspection and verification (FQC) and ex-factory quality control (OQC).

Extended data

Basic elements:

1, human resources employees are the executors of all quality operations and activities of the enterprise.

2. Equipment and machines-machinery and equipment, fixtures and fixtures are sharp tools in the production site.

3, materials-a clever woman can't cook without rice, and the quality of materials is often the main reason for the abnormal quality on the spot.

4. Methods-corporate culture, principles, technical means, standards and norms constitute the know-how of enterprises and the magic weapon to win in peer competition.

5. Environment-external competition and living environment; Internal working environment, workplace and atmosphere.

Baidu encyclopedia -QC