Please refer to the product code on the machine, enter this code in the input box one by one, and then click the query button.
The query display results are as follows:
1. If it is correct, the prompt is "Dear customer: this product is genuine; please be rest-assured to use it".
2. If it is wrong, the prompt is "Dear customer: the product code you entered does not exist. This product is: Counterfeit".
3. If you have inquired, the prompt is "This product has been verified, this is the *th verification, beware of counterfeiting".
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