... ISO14001,ROHS. circuit electronic ,pcb assembly,pcb board,rigid pcbOur product developed most recently is lower ... Rigid PCB:1) Layer: 1, 2,multilayer2) Board finished thickness: 10%3) Material: FR-4, ... 3, High TG, FR4 Halogen Free,FR-1,FR-24) Max. finished board size: 1500mmx500mm 5) Min. ... 0.1mm7) Surface finish/treatment : HASL / HASL lead free, Chemical tin, Chemical Gold, Immersion Silver/Gold, OSP, ...