If you meet the following conditions, you can contact Dongfang Qidu to enjoy free trade-in service
◆The probe operates abnormally during the warranty period (caused by the product itself)
If you meet the following conditions, you can contact Dongfang Instruments and enjoy the activity of replacing the old probe with a new one after product valuation.
◆The probe is running abnormally and there is no obvious collision on the probe appearance