When customer feedback indicates that the quality of plywood has problems, do not rush to explain the reasons or shirk responsibility. First of all, we should say sorry to our customers. Then, we should analyze the quality problems according to the pictures or samples provided by our customers, find out the reasons for the quality failure, then give them an accurate quality feedback and report. Finally, we should negotiate a method or plan to solve the quality problems, make repayments or returns, and finally work out a plan to maintain or improve the quality. To prevent similar problems from happening again in the future, it also reflects the advantages of after-sales service.