Hi, Friend,
So wonderful to know you！
I'm Darren, marketing manager
of HQT circuit board.
We are a professional PCB manufacturer
2 to 26 layers
Aspect ratio 14:1,Min. Line Width/Space 2.5mil,External Copper Thickness 16OZ .
Established in 2009,208 workers,10000m2 workshop, ISO and UL approved.