Yup, my dad has many of these allwin machines. He has to make parts himself to get them working, however the prices when broken are very high recently. The theme suggests there isn't much age to it, but that doesn't seem to matter any moreThey seem to command good money in any condition.
I asked, he declined. Sorry.Hiya, I'll ask, but he has never worked on someone else's before so may not be an option.