7x12 hour after-sales service hotline, with immediate response on the same day. The replacement parts will be shipped on the same day (working day).

Warranty -After evaluation by after-sales engineers, it is confirmed that on-site service is required, and Qinggua Technology will arrive within 72 hours within the domestic scope.

Maintenance - Product quality warranty for 3 years, lifelong maintenance. The IoT system continues to upgrade. After sales follow-up tracking.

Formal Invoice - As one of the legitimate retail manufacturers in the industry, Qinggua Technology has a unique body code for every machine sold. And include formal invoices.