How to Successfully Purchase PCBs @NCAB_Newsletter
A good advice -”The major proportion of the cost isdetermined already at the engineering and design phase.” The best way of reducing costs is to think in terms of volume right from the start. You should start gathering appropriate data from the EMS and PCB suppliers at the design stage; this to enable the boards to be optimized for series production, taking into account what they are they going to be used for.
Link: http://www.ncabgroup.com/blog/news/purchasing-pcbs-how-to-do-it-successfully/