... procedure, RoHS complian 2 layer/double side Printed Circuit Board PCB1) Layer: 22) Board finished thickness: 1.6mm3) Material: FR-44) Min ... -4, CEM-1,CEM-3, High TG, FR4 Halogen Free,Rogers4) Max. finished board size: 23 × 25 ( 580mm×900mm )5) Min. ... UL, ISO 9001, ISO 14001,SGS , RoHS14) Special requirements: Buried and blind vias+controlled impedance +BGA15) Profiling: Punching, Routing, V-CUT ...