From the date you purchase the core synthetic product，Enjoy after-sales service within 1 year，But the following principles need to be followed： 1． Can present our company's valid warranty card。 2． The product has not been disassembled by itself，repair，Modification，The QC logo is complete。 3． The product is used in normal state，Quality problems arise。
Quality problems arise，Not within the warranty；But paid repairs can be performed： 1． The company's valid warranty card cannot be presented。 2． Human faults，Product damage。 3． Disassemble by yourself，repair，Damage caused by modified products。 4． Exceeded the valid warranty period。
Feel sorry，Because the after-sales service process is aimed at various regions around the world，There are many process flows and inspection and testing steps in relative maintenance，Under normal circumstances，We promise that the repair parts will be calculated on the same day to the after-sales service department. The repair will be completed in about 3 working days.，Thank you for your understanding。If your repair parts are urgent，You can also provide feedback and coordination with our after-sales service department。