### Chinese: 看好编号下单，古董物品售出不退不换。
### English: Place an order based on the serial number, and antiques sold can be non-refundable or exchangeable.
### Errors: There is a minor error at "Place". There is a major error at "antiques". There is a minor error at "can". There is a minor error at "non-refundable or exchangeable".

### Improved English: Please check the serial number before placing an order, and all products of the antique type cannot be exchanged or refunded once sold.