It is difficult to confirm the actual inventory and the actual delivery capacity.
Key materials have uncontrollable delivery schedules and there are sudden shortages.FEOL shutdown resulted in no alternative options.
Diversified procurement channels have led to an increase in counterfeit goods and quality risks.
The engineering verification process is complex, and the cost of evaluating alternative materials is high.
The suppliers are scattered, the communication costs are high, and there is a lack of transparent processes.
