You can leave feedback for the PCB/PCBA orders within 30 days after completing.
Step 1: Sign into My Account or My PCBWay
Step 2: Go to Manage Feedback, and click Orders Awaiting My Feedback
Step 3: Choose an order and click Leave Feedback
PS:( The function of feedback here will be invalid if you don't use it within 30days you receive the boards, but you still can click here to contact us once find any quality issues after that. )