... -12layer PCBA Serive.Technique requirement:1) Professional Surface-mounting and Through-hole soldering Technology2) Various sizes like 1206,0805,0603 components SMT ... Free,3Board thickness0.2mm-3.5mm4Max panel size630mm*520mm5Min.drilled hole size0.5mm6Min.line width0.075mm(3mil)7Min.line spaceing0.075mm ...