You can view the official JGAurora / JGMaker warranty policy here.

JGAurora clarified their warranty policy is as follows:

Part Failures:

• Main parts (mainboard ,screen, hotbed): 1 year warranty
• Minor parts / Consumables (nozzle, throat ,thermistor): 3 months warranty

Shipping Costs:

• Up to 3 months old: JGAurora covers shipping costs for first shipment, customer covers costs for any subsequent shipments.
• Over 3 months old: customer covers shipping costs