... :2-3weeks 3.Certificates: UL,ISO9001:2000,RoHS Best quality washing machine pcb boardMaterial: ceramic , F4 BK-2 , Alu, Rogers, High ... FR1, CEM-1, FR-4,etc Board Thickness: 0.4-6.0 mmTreatment : Lead Free HASL, ENIG, Immersion Tin, Immersion ... and System Level TestingAOI Testing·Checks for solder paste ·Checks for components down to 0201" ·Checks for missing components, offset, incorrect parts, ...