ingledouble-sided, multi-layer circuit boards, FPC flexible printed circuit boards and Rigid-flex PCB with high precisiondifficult.such as: computer card board web communication boardtelephone boardmobile telephone boardflat panel display boardsilver through hole boardAL-base board 、also OEM & ODM (EMS) and so on. All the products are accordant with standards of IEC, IPC, UL and ISO-9001Technical parameters as follows:Layers:2-24Surface finish: Gold plating. Immersion GoldSilverNITin.Gold finger OSP and so on.Min board thickness: 1-2layers 0.2mm 4layers 0.4mm 6layers 0.8mm 8layers 1.2mm....Min line widthing/spaceing: 0.1mm(4MILS) 0.1mm(4MILS)Min finished hole diameter: 0.25mm(10mils)Hole position deviation: ±0.05mm(2mils)PTH dia tolerance: ±0.1mmElectric strength: >1.3KV/mm Peel strength:1.4N/mmFlammability:94V-0Twist and bent: ≤1%Outline tolerance: ±0.05mmMolding: Routing Punching V-CUT Chamfering Lead time:1-2 layers 6-7days 4-8layers 8-13days 8and above we will according to the files If any of items interest you, pls feel free to let us know through email or fax. Welcome to inquiry.