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Material Vendor :ShengYi S1141-FR4 High TG  /ROSH

Layer /pcb thickness :  4 Layer /1.2mm 
Copper thickness : 1oz copper 
Solder mask /silkscreen  ;Blak solder mask/ white silkscreen
Surface finished :immersion gold
Min width/space: 3.5 / 4 mil 
Min holes : 0.2mm
Standard Produce time : 7-10 days 
Fast produce time : 24h ~72h 

TOP PCB - Multi-4 Layer Circuit boards