Double Side PCB

We offer as followingLayer: 1-22 Layers rigid PCB Base Material: FR-1, FR-2, 22F, CEM-1, CEM-3, FR-4, Aluminium base Board Thickness: 0.2/0.4/0.6/0.8/1.0/1.2/1.6/2.0/2.5/3.2/6.0 mm Copper Thickness: 0.5/1/2/3 OZ Supplier: Nanya/KB/Shengyi/Jingbao Surface Finish: HAL, HAL lead free, OSP(Preflux), Immersion Nickel Gold, Immersion Tin/Silver, Flash gold over nickel, Carbon Ink, Peelable Mask available Solder mask: Liquid Photo Imageable Solde rmask(LPI) Color: Green/Blue/Red/Yellow/Black/white Silkscreen: White/Black/Yellow/Blue