1. ERP system make records of all transactions with suppliers  

Regular assessment and evaluation of channels to ensure that each channel is reliable.

2. Strict IQC, Make details inspection records for all shipment

*Manufacturer, Part Number, quantity, date code verification, RoHS

*Manufacturer’s datasheet and specification verification

*Packaging inspection,Moisture Sensitivity(MSL) Level confirmation, Whether it is intact/whether it has the original factory seal,confirm the vacuum seal situation & humidity indicator and specifications

*label/logo inspection

*Physical condition review (weight belt, scratch, trimming)

3. Third party testing 

External Visual Inspection

De-cap testing 

X-ray testing 

Electrical testing 

Funtional testing