Click the menu icon to enter my page, and click the three-column menu icon in the upper right corner.
Click on my customer service. Click My Customer Service Options in the menu.
Click online consultation in the lower right corner, and click the option of online consultation.
Click on the message box, click on the message box, enter the keyword to cancel the certification enterprise number, prepare the corresponding materials according to the customer service reply, and submit it. Note that the certification fee will not be refunded after the certification is cancelled, and the certification fee will be paid again in the future.