... :Layer: 1 to 12 layersMaterial type: FR-4, CEM-1, CEM-3, High TG, FR4 Halogen Free, ... 530mm(board thickness>1.2mm)F, Six layer pcb:430*430mmG,Eight layers:430*430mmH,more ... Spacing: 4mil (0.1mm)Surface finishing: HASL / HASL lead free, HAL, Chemical tin, Chemical Gold, Immersion Silver/Gold, ... satisfaction is our pleasure. China High Quality pcb lead free, OSP, HASL, ENIG multilayersPCB from China in ...