We are professional Printed circuit board supplier with more than ten years experiences . Products range-single, double side multilayer PCB ,flexible PCB and MCPCB.We can provide fast prototype service - S/S in 24hrs , 4-8layers in 48-96 working hrs p roduction time. COPPER PLATE HOLES MINIMUM .025 AVG, .020 MIN.. HOLES MAY NOT BE PLUGGED Pack with colorless transparent bubble film ,25 PCS/ bag, put desiccant in flank, put humidity indica tor card on top side