... 0OZCopper Thickness In Hole:more than 25.0umThe Max Board SizeA:Board Thickness:1.2mm,not jack panel:605*530mm.( ... layer board:270*280mmSurface finishing:HASL,LFHASL,HAL,Chemical Tin,Chemical Gold,Immersion Sliver/Gold,OSP,Gold PlatingSolder mask color:white ... ,black,yellow,red,green,blueProfiling:Punching,Routing,V-CUT 94v0 circuit board