RELIANCE is the manufacturer which produce the Print Circuit Boards from SINGLE to 10 layer with the HASL (Lead Free), Flash Gold, Imme. Gold or Tin or Sliver, and Gold Finger finishing. Here is the price of PCB for your reference, Layer 2 USD 0.046/ sq inch Layer 4 USD 0.075/ sq inch ** Base on FR4, HASL(Normal) or OSP, 1.6mm thickness, 0.5 or 1oz finished Copper, 6mil/6mil Track/Gap, min 0.4mm hole size, ** less than 50 holes per square inch, Routing, CIF HK, MOQ USD10000/partnumber/lot.