Microwave PCB,Teflon PCB Arlon 870,Arlon527,TC350 End thickness:1.6mm UL,ROHS Approval We have 12 years experience in PCB filed to service ... offer 1 to 20 Layers PCB fabrication, especially Multilayer pcb,Microwave PCB,High frequency PCB,Teflon PCB,flexible PCB and rigid flex PCB are what we mainly ...