... excellent and stable. * We choose the best material for all our products. * We will send the boards ... files or gerber data so that we can quote for you. Fabric Capacity: Place of Origin: ShenZhen China ... , etc. NO Item Craft Capacity1 Layer 1-30 Layers 2Base Material for PCBFR4, CEM-1, Aluminium,TEFLON, , Halogen-free…3Rang ... .5-14oz (18-490um) Shenzhen PCB manufacturer for 1 oz copper thickness pcb