For the whole machine we give one year warrantee, for the electric boards we give 3 years warrantee.
Yes, each set machine we give some free parts.
No, it is very simple very easy, only a few cables should connect.
No, most of the customers can assemble them according to the user manual.
Yes, if throught the email or skype or video help, you still have problem for them, we will send out our engineer.
Sorry, our machines prices not include this service, it is charged.