1). 2 years quality guaranty, the machine with main parts(excluding the consumables) shall be changed free of charge(some parts will be maintained) when if any problem during the warranty period. 2). Lifetime maintenance free of charge. 3). Free training course at our plant. 4). 24 hours on line service and email each day, free technical support.We will reply you in 24 hours after receive your problem of the machine. 5). Machine has been tested and adjusted before delivery.We will take machine photos and make machine working image for you ,after getting your agreement ,then we will book a ship. 6). Provide technical services to the door(We have professional engineers to offer machine installation commissioning and maintenance) if customers pay the charges of ticket. 7). If you have any problem during your use.you need our technician to judge where the problem is and help you to solve it. We can provide team viewer and skype with cam till all of your problems solved.