Multi-layer circuit board:Layer count:4-20;material: FR-4 ;Thickness: 0.2-3.2mm;Min.line width: 0.2mm;Min.line space:0.2mm ;Min.hole diameter:0.25mm ;Max.board size:600*1200mm ;Application:Cam350,pads2000,proter DXP;Blind/buried via holes: OK;Soldermask:green,black,red,yellow,white;Surface craft: spray tin,gold-plated,immersed..