* We have very experienced engineers ,can help you better use LTDM001 medical oxygen mask.Training how to instal the machine, training how to use the machine.
*If has product fault need to repair, please contact us, and we will cooperate with your engineers to try to deal the fault in the local firstly, so as to minimize the transportation and other cost.
*We will guide you how to deal the troubleshooting, and your engineers follow our guidance to solve fault.
*If need parts for replacement, we will send to you.
*If still can not solve the fault at last, please arrange to deliver the fault parts back to us for repair.