Quality Control

Quality control flow

1. Incoming material inspection (IQC) : it is the primary control point of the factory to stop the unqualified material entering the production process. 

Entry inspection items and methods:

A) appearance: general use of visual, feel and contrast samples for verification;

B) size: generally used with caliper, micrometer, etc.

 C) characteristics: such as physical, chemical, and mechanical properties, usually verified by detection instruments and specific methods.

Inspection method: a full test and b spot check

Processing of inspection results:

A) to receive;

B) rejection (return);

C) concession acceptance;

D) full inspection (rejected rejected products)

E) re-inspection after rework

Standard: raw materials, foreign purchase technical standards, incoming inspection and test control procedures, physical and chemical inspection regulations, etc.