Sampling Method

Our professional inspection services are conducted according to the worldwide acknowledged international quality control standards.

During inspection, product sample size is randomly selected according to the well-known international standard:

MIL-STD-105E, ANSI/ASQC Z1.4, ABC-STD-105, BS6001, ISO 2859, DIN 40080.

After the selection of product samples from the shipment lot, the inspection will be performed according to the Acceptable Quality Level (AQL) standard.

Please click here for more information of the standard.


+ Acceptable Quality Level
+ AQL Table
+ Defect Classification