... Production Capability for your reference1)Layer:from 1 to 202)Board finished thickness:0.5-6.0mm3)Material:FR-4,CEM ... ,Taconic,Al,etc4)Surface finish/treatment:HASL/HASL lead free,HAL,Chemical Gold/tin,Immersion Silver/Gold/Tin,OSP,Gold plating ... ,Double and Multi-layers,High frequency PCB ,etc6)Max. finished board size:Single & Double Layer:450mm*650mmMultilayer:450*500mm7)Min.drilled ...