Customers must obtain an RMA number before returning any merchandise to Winbo International. Effective January 1, 2022, all customers are required to apply for an RMA number by downloading the RMA form. RMA numbers can be issued by phone and email. Your RMA returns may not be honored if you DO NOT have an RMA number before ship out. Customers are responsible for any lost or damaged products before the RMA shipping. Winbo will only keep completed RMA items for 180 days, however we also reserve the right to remove the items past 180 days.