Hello! Thank you very much for your concern and supporting.

If Tongda’s products you purchased have been confirmed as failure by our technicians, you can go to the nearest service outlets for maintenance. Or you can send back to our Tongda’s headquarters for maintenance as the following delivery information.

Add: 4/F,No.14 Julong Industrial Park,Xicha RD.,Baiyun, Guangzhou, 510407, China

ATTN: Tongda Electric

Service Hotline: 4001066680

Postal Code: 510530