First, training in the use; second, maintenance.
Training in the use, in general, selling engraving machine give you all will give you free training, so that you can quickly make good use of the engraving machine, so you can quickly put into production engraving machine. This service, for new start engraving machine business, it is very important to a service. The training includes: 
1 learn basic operation engraving machine; carving machine 
2 Learn to use various functions; 
3 to maintain some operating engraving machine normal operation.... For example, you buy a laser engraving machine, then you will get some training on laser engraving machine, wood processing these materials need to pay attention to something, working out what the finished product will appear normal tone deviation, laser tube and lenses maintain.
Finally, maintenance services, after-sales service is the engraving machine is the most important one. Engraving machine regarded as a precision instrument, chaotic service, may result in the precision machining is no longer accurate, finished processing out of the emergence of various defects. And instead of using the engraving machine a month for two months, will use eight or ten years, providing long-term maintenance service engraving machine is an important precondition for quality assurance. For example, you buy a mobile phone, if the warranty period is one month, then this phone will always feel bad very quickly, because do not offer the service after a month, this is simply a one-off sales; if 1 year warranty 2 years, then you will feel the phone is not easily broken, there are bad maintenance support. In fact, a good phone, the warranty period is the president, and this is a lot of products to provide extended warranty service, there are many people willing to spend money to buy the extended warranty service. Advertising engraving machine is this principle, offers 1 year free home repair services, long-term maintenance service, so you buy the rest assured, do not worry about the machine around a little problem you have to find someone to repair the. After all, the process of using the engraving machine, there will be some operational errors, or natural factors cause the machine to appear abnormal these points.