Our company Introlines Industrial (H.K.) Ltd. is a sophisticated PCB manufacturer with marketing office in Hong Kong and production facilities in Guangdong 1-14 layers manufacturing) China.We supply boards from single side to 14 layers, all kinds of surface finishes, our capability and technical data are as follow:Manufacturing Index Max. layer count 14 layers Min. hole size 0.2mm (8 mil ) Min. hole tolerance PTH +/- 3mil, NPTH +/-2mil Min. Buried/Blind hole size 8 mil Min. Line width/spacing 3 mil / 3 mil Layer to layer registration +/- 2mil Board thickness range 0.1mm to 3.2mm Min SMT SM bridge 0.1mm (4 mil) Material Halogen Free, High Tg, FR4, CEM-3, GIL, Telfon, Ceramic, Rogers, Polyimide, Metal base and other materials as requested Surface finishing HAL, Lead free HAL, Electroless Gold, Electroless Tin, Electroless Silver, Selective gold plating, Electric gold (Flash Gold) and Entek (OSP) Lead Time Sample : Double-Sided : 5 days Multi-layer : 7 ? 10 days Pilot Run Double-Sided : 7 days Multi-layer : 10 ? 12 days Mass Production Double-Sided 2 ? 2.5 weeks Multi-layer 3 ? 3.5 weeks Quality System: - ISO 9001:2000 certified by DNV - UL listed - Conform to IPC Standard - Pre-production quality planning by APQP and PFMEA - Statistical Process Control (SPC) - Continuous Improvement Program - ISO/TS16949:2005 Introlines is where you can find satisfaction; fast response, flexible lead time, experienced staff, small quantity, high mixed, reasonable price, wide range of products, reliable partner. For more details, please visit our web site : www.introlines.com or www.globalsources.com/introlin.co , please feel free contact us for inquiries or arrange a factory visit, we will be more than happy to be of serviced to you.Before you visiting us, we suggested that you could send us some your PCB f