Dear Customers:

No company can guarantee a zero repair rate, so when a product doesn’t work properly, or doesn’t work anymore. Please contact us, we will try our best to give you a satisfied help as soon as possible. If you return the product to us, we guarantee that we will conduct an in-depth analysis of the problems existing in the product and give you an accurate reply as soon as possible. TOFI Sensing Technology (Shanghai) Co., LTD., self-produced products, the warranty period from 12 months to 36 months for different products.

Please send us your problem via a simple way (RMA product maintenance form). Then, please send your registered products back to the following address:

TOFI Sensing Technology (Shanghai) Co., LTD

Room 804, Building 2, No.1422, Shuidian Road, Hongkou District, Shanghai

Zip code :200083 Shanghai, China

If you have any questions, please feel free to contact us:

After-sales service hotline: 18901742771

Tel.:: 021-65311020

Fax: 021-65311031

Email address: tofi@tofi-tech.com