multilayer pcb,washing machine pcb board,weighing scale pcb

1.Detailed Specification of PCB Manufacturing 1 Layer 1-30 layer 2 Material FR-4,CEM-1,CEM-3,Hight TG,FR4 Halogen Free,FR-1,FR-2,Aluminum 3 Board thickness 0.2mm-7mm 4 Max.finished board side 500mm*500mm 5 Min.drilled hole size 0.25mm 6 Min.line width 0.075mm(3mil) 7 Min.line spacing 0.075mm(3mil) 8 Surface finish/treatment HALS/HALS lead free,Chemical tin,Chemical Gold, Immersion gold Immersion Silver/Gold,Osp,Gold Plating 9 Copper thickness 0.5-4.0oz 10 Solder mask color