Mainly means that the supplier must carry out delivery inspection according to the standards agreed in the contract or order between the supplier and the supplier when delivering the products; Check and confirm the packaging status, anti-collision materials, product identification/safety label, accessory package, user manual/warranty, additional software CD, product performance test report, outer box label, etc.

PQC: Process quality control, process quality control/process quality control.

Mainly refers to the confirmation of the first product when pulling or replacing products in each batch, and gives the production department the standard for producing products. The first inspection has the functions of informing and preventing; The inspection requirements of online products should be controlled according to the requirements of the first sample. All products must meet the requirements of the first sample when they are formally produced, and the incoming materials must be inspected before they can be pulled, that is, the raw materials of the products to be produced are confirmed to be correct.

LQC: production line quality control, production line quality control.

Mainly refers to the product quality control in the whole production process from sample to batch production, and improves the product quality through testing, controlling and improving the process. Including handling quality anomalies and quality improvement, quality status tracking, etc.

OQA: ex-factory quality assurance, final delivery inspection of finished products/the last quality inspection procedure before products leave the factory.

Mainly refers to the inspection of products to be shipped and processed in strict accordance with sampling standards. If unqualified products are found, relevant personnel shall be informed immediately to ensure product improvement, and the delivery of products shall not be delayed, so as to avoid batch defective products, and the products with unstable quality shall be tracked.

Extended data:

QC is the abbreviation of English quality control, and Chinese is "quality control". Delivery after product inspection is the most basic requirement of quality management. Quality control is to eliminate the factors that lead to unqualified or unsatisfactory results at all stages of the quality cycle by monitoring the quality formation process. QC is the quality assurance of the whole company, including the release of finished products, raw and auxiliary materials and the normal operation of the quality management system.

References:

Baidu encyclopedia -OQC

Baidu encyclopedia -PQC

Baidu encyclopedia -QC

Baidu encyclopedia -OQA