... : FR-4, CEM-1, CEM-3, High TG, FR4 Halogen Free, aluminum Board thickness: 0.35mm to 3.0mmCopper thickness: 0 ... . Line Spacing: 4mil (0.1mm)Surface finishing: HASL / HASL lead free, HAL, Chemical tin, Chemical Gold, Immersion Silver/Gold, OSP, Gold ... carton packingCertificates: UL, ISO 9001, SGSProfiling: Punching, Routing, V-CUT usb charger pcb