1.mpcb,aluminium pcb board 2.2 layers 3.UL ,SGS ,ROHS,ISO 4.OEM & ... , 1.50, 1.60, 2.0, 2.4, 3.2Max board size(mm)1200x400mmBoard Outline Tolerance±0.15mmBoard Thickness0.4mm--3 ... PCB supply ability: 30000 Square Meter/MonthCertificate:ROSH,ISO9001,UL Aluminium pcb board,MPCB