1, The products sold by our company are qualified products that have the passed strict inspection, we guarantee you can get our package in delivery date .
2,If you find the products problem once you get the package ,please call our 24hour service hotline(+86 13730868865) or send the e-mail to our company e-mail firstname.lastname@example.org we will reply within one day
3,In case of any defects or malfunctions which have been proven to be caused by our side, once upon receipt of the buyer's formal information, the seller is obliged to supply technical assistance to the buyer，according to the specific situation replace or adjust but the buyer should pay the transport charges.
4, Any about technical support will be firstly provided through email, video or internet. All services through internet will be free. If engineers for installation, training or repairing is indeed requested from buyer, the buyer will be charged for engineer's round way air-tickets, local hotel, food and transportation, and pay engineer USD 150 per day.