•Layers: 1--22 L for bare PCB circuit boardbare PCB circuit board

•Copper thickness: 1--6OZ

•Base material: FR4, HI-TG, FR06, Rogers, Taconic,Argon,Nalco,Isola and so on

•Finished surface: Conventional hasl,  lead free hasl, immersion gold, immersion tin, immersion silver, hard gold, OSP...

•Finished board thickness: 0.2-7.0mm