... - Quality Approval- RoHS compliant-Lead free HASL Layer: 1-40 Board thickness: 0.13mm-7.0mm Material:FR-4,High Tg ... ,Halogen free, High Frequency (Rogers, Arlon, Taconic, Nelco ...)etc Max. board size: 23-25(580mm*900mm) Min.drilled hole size: 3mil ... : HASL, ENIG,ENEPIG, Immersion Silver, Immersion Tin, Flash Gold, Golden Finger, OSP, Lead free HASL etc Copper thickness: >25.0um.(>1mil ...