Incoming Quality Control (IQC) refers to the quality inspection and judgment conducted by a factory or purchaser on raw materials, components, or semi-finished products delivered by suppliers before warehousing, according to established standards. Usage scenarios include: procurement receiving, supplier management, and pre-production preparation. Notes: 1) Sampling standards (e.g., AQL), inspection items, and acceptance levels must be clearly defined; 2) Inspection results should be recorded and fed back to suppliers; nonconforming products must be isolated, returned, or accepted under concession; 3) IQC differs from IPQC (In-Process Quality Control) and OQC (Outgoing Quality Control) as it targets incoming materials and is the first gate of quality control; it also differs from SQE (Supplier Quality Engineering), which focuses on supplier system audits and coaching. Key difference: IQC focuses on material conformity, while SQE focuses on supplier capability. Effective IQC reduces production defects and customer complaints but requires balancing inspection costs and risks.
📝 Examples
1. After this batch of electronic components arrives, please conduct incoming quality control first; only qualified materials can be warehoused and scheduled for production. (Illustrates IQC as a prerequisite for warehousing)
2. According to the incoming quality control report, this batch of plastic parts has a 3% visual defect rate; the supplier has been notified for replacement and a deduction. (Illustrates IQC results used for supplier claims and corrective actions)
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