UPDATE！ The factory have resumed production in Feb 17th, but due to the epidemic situation, some engineer have not go back to work in time, so the delivery of the order may be delayed, so sorry for all the inconvenience！
OSpcb Team
The quality of PCB exterior include the solder mask, the silkscreen, the surface finish…the main requirement of PCB exterior is that the solder mask and silkscreen color should bright and full, no scratches on the board surface and have neat and clear outline, the surface of the copper after surface finish should complete and flat.
OSpcb solder mask quality assurance
OSpcb silkscreen quality assurance
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Email：service@cnospcb.com
