1.high quality with a reasonable ... welcomed,ect. Specializing in Double Side PCB, Multi-Layer PCB, F4BK PCB, Ceramic PCB, Rogers PCB, Aluminum PCB.Layer: 4-22 LayersMaterial: High Tg ... FR4, FR-4, Rogers PCB etcBoard Thickness: ... -Star service are guaranteed.Pls. Send us PCB files or gerber data so that we can ...