Yes According to Xiaomi official website's information, Xiaomi Kunshan Warehouse is responsible for handling and maintaining the products returned by customers, ensuring customer satisfaction and product quality, and is a second-hand warehouse for returns. Xiaomi Kunshan Warehouse is an important warehousing and logistics center established by Xiaomi in East China, which is mainly responsible for receiving, processing and storing Xiaomi's products, including smart phones, smart homes, smart wear and other electronic products. So Xiaomi Kunshan central warehouse is a second-hand warehouse.