On-time delivery rate: Percentage of orders shipped in 2 business days.
Average Processing Time: Average number of working days used to process shipments.
Refund Rate: Percentage of orders resulting in after-sales.
Fullfilment Rate: Percentage of orders fulfilled.
Stockouts：Average number of Stockouts for a single product in 90-days.
Changes in key information: Average number of changes in key information for a single product in 90-days.