... in our factoory,double sided pcb,pcb board,rigid pcb past UL, ISO9001, ISO14001,ROHS Plating gold PCB, double sided pcb,pcb board,rigid pcb ... Reference - Our Production Capability for Rigid PCB:1) Layer: 1,2,multilayer2) Board finished thickness ... TG, FR4 Halogen Free,FR-1,FR-24) Max. finished board size: 1500mmx500mm 5) Min. drilled hole size: 0.3mm6) ...