I am Hommer,from China.This is my first article in avfreaks, inner excitement...Maybe I can give you some help.
I come from ourpcb, begin from 2005, in China for more than 2500 customers with a PCB production and welding services, and the global procurement of electronic components.
If it is convenient to perhaps I can give you some advice on choosing supplier. (ok, I am too.. I mean to find the right you are from China ：D )