Dear all,
We specialize in providing high quality multi-layer and HDI PCBs.We manufactured lots of high complex HDI PCB boards(1-7 steps and anylayer).
Plesae contact me if you need these kind of high quality HDI boards.If some friends have questions when you design HDI boards.I will be very happy to help if I can 
I am happy to show a high complicated 12Layers micro-vias anylayer HDI PCB board we did.
Best Regards,
Kevin
