So glad to meet you at Canton Fair.
For your request, I suggest each item you can buy 5pcs(half box) or 6pcs(each machine), that will be better.
Chinese type stud now we have not make, I suggest you use Semikron size or IR/Vishay type, that material and technology are all better, use is same. Is that ok?
For welder output terminal, that is my friend factory make it, but I have offer to other customer, they say quality is not good enough, so I don't suggest again.
Regards & waiting for ur reply