1.mpcb,aluminium pcb board 2.2 layers 3.UL ,SGS ,ROHS,ISO 4.OEM & Design PCB ... .80, 1.00, 1.20, 1.50, 1.60, 2.0, 2.4, 3.2Max board size(mm)1200x400mmBoard Outline Tolerance±0 ... ,ENIG,Plated Gold,Immersion Gold,OSPCopper Copper Weight0.5--6ozColor Solder MaskGreen, Blue, Black, White, Yellow, Red, Matt Green, Matt Black ...