Witgain Technology Limited has been specialized in manufacturing rigid printed circuits board for more than ten years. We can make 1-24 layers board with blind and buried hole. The marketing mainly fasten on overseas market, such as Japan, Europe, America, Malaysia, Singapore and so on. Our products were widely used in all kinds of field such as telecommunication, computer products, automotive industry, hi-tech industrial equipment, consumer products and so on. We have past through the Certification of UL, ISO9002, QS9000, ISO14001, ISO9001 and TS16949. For better quality and timely delivery and hot service , Witgain was highly praised by her customers, no matter overseas or domestic. Layer(mass production): 2 to 24 layers Max Panel Size: 450*660mm Copper Clad Laminate: FR4,FR4(Halogen free),FR5,CEM-1,CEM-3, PTFE,Rogers,Getek,BT,Polyimide,Al Base,High-TG Board Thickness: Min:6mil(0.15mm);Max:280mil(7mm) Min hole size: Mechanical drilling:8mil(0.2mm);Laser drilling:4mil(0.1mm) Min line width/space: 3/3mil Surface Treatment: Hot Air Leveling,Gold/Nickel Plating,Immersion Gold/Tin/Sliver,Gold Finger, Peeable mask,Carbon Ink,OSP(Entek,F2) For more details please visit our company web xxxxx Thanks for your interest at our company.