... of Layer: 1 to 12layers.2.Base Material: FR-4, CEM-3,CEM1, Aluminum Substrate, Rogers, Halogen Free ... silkscreen: Green, White, Black, Blue, yellow, Red etc.4.Surface Finish: Lead Free HAL, HAL, Flash Gold, ... . DIP assembly line:43. Fly Probe Machines:84.less cost and delivery in time by FedEx, UPS, DHL ... , TNT & EMS5.quick response and quoting in 4 hours after got your gerber file, and within 3 ...