When picking, see if the machine head is bright, whether there is stripping and bumping, whether the plating layer of the needle board, push plate, panel, upper wheel is intact;
We use our own control box which is same as original.
One year guarntee in mechanism parts except the quick-wear parts, three years guarntee in electronic parts.
We can delivery machines within 7 days, but for special request need negotiation.
We are a manufacturer.