After-Sales Service: Non-Human Damage, Motherboard Quality Problems, Appearance Does Not Flower, Does Not Affect the Secondary Sales, Free Warranty for One Year. (before Shipment, All Products Will Be Delivered Only after Strict Inspection by Professional Inspectors, Which Makes Customers Feel at Ease and Comfortable. Customers from Domestic E-Commerce Platforms, Cross-Border E-Commerce Platforms and Domestic Trade Channels Are Welcome to Come to Negotiate, large Quantity and Better Price.