... 2.High precision,100% test 3.HASL,OSP,immersion gold 4.UL,ROHS,ISO9001 5.Good quality, price concessions ... sided pcb,double sided pcb,multilayer pcb,flexible pcb,fr4 pcb,fr2 pcb,fr1 pcb,cem1 pcb,cem3 pcb, ... :0.008”±0.004”(0.2mm ±0.1mm)4-layer:0.01”±0.008”(0.4mm ±0.1mm)8 ... cut Shapeline,hole,V-shapeSurface FinishHASL,HASL pb free,immersion gold,immersion silver,immersion tin,O.S.P (Entek),S/G plating, ...