1.Payment terms:balance payment before shipment 2.Machine warranty:one year (core components, non-human operation errors) 3.Guarantee ♦ Engine and all parts are 100% genuine and certificate is with it. ♦ Machine is verified and inspection and adjustments are completed as well as verified in writing. ♦ Testing is done and results are verified in writing. ♦ All of the stickers and words on the machine is translated into English. 4.After-sales Support ♦ 24/7 service by chat online and phone. ♦ Lifelong and free technical support. ♦ Free parts will be expressed to you under warranty if parts of the machine are damaged. ♦