IQC is responsible for incoming quality inspection, SQE is responsible for supplier quality management. There is a difference between the two. IQC is only a branch of supplier quality management. SQE mainly manages suppliers: auditing, coaching, improvement, etc. And the quality of suppliers and new materials. IQC is mainly internal: incoming inspection, material handling in production line, collection and arrangement of inspection data and material return data, etc.

The abbreviation of 1 QC means quality control in English and quality inspection in Chinese. Operating techniques and activities adopted to meet quality requirements. Some organizations that implement ISO9000 will set up such departments or posts to be responsible for the quality control functions required by ISO9000 standards. Personnel engaged in this kind of work are called QC personnel, which are equivalent to product inspectors in general enterprises, including incoming inspectors (IQC), process inspectors (IPQC), final inspectors (FQC) and outgoing inspectors (OQC).

2 QA stands for QUALITY ASSURANCE, which means quality assurance in Chinese. All planned and systematic activities implemented in the quality management system shall be verified as required to provide sufficient trust to show that the entity can meet the quality requirements. Some organizations that implement ISO9000 will set up such departments or posts to be responsible for the quality assurance functions required by ISO9000 standards, and the personnel who hold such jobs are called QA personnel.

Ipqc is the abbreviation of English process quality control, and Chinese means process inspection. People who do this kind of work are called process inspectors.

4 JQE is the abbreviation of English joint qualification engineer, which Joint Qualit Engineer or customer engineer in Chinese, or joint qualification engineer, that is, the quality engineer hired by the supplier to work for the customer, is the eyes and ears of the customer SQE.

5 DQA is the abbreviation of English Design Quality Assurance, which means design quality assurance in Chinese, such as DQA manager (design quality certification manager).