HDI PCB 1.10 years experience in PCB 2.UL,ISO9000:2000 / ISO14001:2004,ROHS 3.Competitive Price 4.Small Orders Accepted HDI pcb, 8 Layers PCB, Impedance pcb,pcb exporter,PCB Manufacturer, Printed Circuit Board, Immersion Silver pcb,Prompt Delivery,Quickly Quotation,Excellent Service RoHS PCB, PCB Material1.Base Material:FR-42.Number of Layers:8-layers3.Copper Thickness:35um4.Board Thickness:1. ...