Q:Is it hard to use these machines?
A: No, not hard at all For our previous clients, at most 2 days is enough to learn to operate the machines.
Q:The Warranty of the machine?
A: One year, then the parts will be free for the buyer in the warranty. If there is any doubt in the process of operating the machine, pls feel frhttp://www.hwgcsmt.com/pick-and-place-machine/