... layer FR-4 PCB board, 1-2 layer Aluminum PCB1-6 oz copper thickness0.2 mm hole size 0.1 mm line ... electronic products,Like Medical devices, CCTV, Power supply, GPS, UPS, Set-top Box,Telecomunication ,LED, etc.1, fast leadtime for sample and production ... . 2, small order quatity accept 3, 10 years experience 4, reasonable ...