1.Layer: 1-30 Layers 2.Material:FR-4;Rogers;Aluminum base;Arlon;Nelco;Taconic;Getek;Halogen Free Etc... 3.Board Thickness: 0.4-8.0 mm 4.Treatment: Lead Free HASL, ENIG, Immersion Tin, Immersion Silver, OSP etc. 5. Solder Mask: Green, Red, White, Yellow, Black, Blue. We can provide quickturn prototype / small quantity PCBs with short lead time The quality of our products is excellent & stable. Vacumm packing.