Industrial control board

Product name: Industrial control board fast pcb prototype Characteristic 1. the width of the space is small. and the etching is difficult; 2. BGA design of solder joints is small. solder joint diameter 24mil. do spray tin technology is difficult. Specifications Layer count: 8 Board thickness: 1.60mm Base materials: FR4 S1000-2 Finished size: 189*179mmSurface finish: Lead-free tinLine width/line space: 4/4mil Minimum hole: 0.20mm Solder resist color: matte sky blue Cu