1.Double-Sided lead free HASL black PCB 2.Quality and delivery assurance 3.18 years experience in PCB manufacturing Reference - Our Production Capability for Rigid PCB:1) Layer: 1-302) Board finished thickness: 0.21mm-7.0mm3) Material: FR-4, High TG, FR-4 Halogen Free,Rogers high frequency,CEM-3 ,CEM-14) Max. finished board size: 23 × 25 ( 580mm×900mm )5) Min. drilled hole size: 3mil (0.075mm)6) ...