1. The customer needs to apply for a refund from Yunkangdaan temporary inspection agency in time and prepare all relevant materials.

2. Yunkangda 'an on-site inspection agency will conduct audit according to the information provided by customers.

3. Yunkangda 'an inspection agency will transfer the refund to the customer's designated account by bank transfer according to the customer's application.

4. After receiving the refund, the customer shall promptly confirm whether the refund has arrived, and confirm with the inspection agency of Yunkangdaan.