Yichtech Electric Corporation Ltd is a professional manufacture PCB up to 12 Layers and FPC up to 8 layers of factory. And professional PCB manufacture to perfect PCB assembly and providing you with good quality and high efficiency ODM and OEM service. We specialize in Power ,Communication equipment , Remote control system,And consume electronic products. We have been recommending a hi-tech electronic products, and relying on our high quality. feature: single , double, and multi-layers Layers: 1 to 12 Layers Base Materials: FR4, High TG FR4, CEM1 Base Copper Thickness: 1OZ oz. to 3 oz. Board Thickness: 0.2mm-5.0mm Maximum Panel Size: 550mm x 710mm PTH Hole Tolerance: Plus or Minus 0.05mm Min Mechanical Hole: 0.2mm Min Laser Drill Hole: 0.075mm Minimum Line Width: 0.1mm Minimum Line Spacing: 0.1mm Surface Finishing: HASL; HAL; Immersion Gold/Tin/Silver; OSP; Gold Finger;.Minimum SMT Pitch: 0.40mm "(center to center) Electrical Testing: Voltage: 24V - 300V Continuity: 5 - 100Ohms Twist and Warp: Less than 1% Delivery time: The company is committed to the supply of samples with in 2-4 days And mass production products with in 5-10days. Quickly supply of sample with in 24-36 hours