User's Manual

Warranty card (user saved)
Name
Contact
information
Purchase date Body code Product number
Purchase
place
price
family address Postal code
current school class
Warranty card, please pay the customer service center
Specify sales area
Customer service
center mailbox
Warranty card (company preserved)
Name
Contact
information
Product number
Purchase date Body code
Local after-sales
phone
Maintenance records
date
Troubleshooting parts and
treatment methods
Repair man
User
signature
Customer service
center mailbox
Certificate
Production of qualified stamp_____________________
Inspectorship stamp ______________________
This product is subject to technical standards,
and the product is qualified.