... on gerber file 3.HASL, OSP,immersion gold 4.100% test 5.UL,SGS,ROHS,ISO9001:2008 Suzhou Xinke ... Impedance Tolerance±10%Impedance testerTektronix TDS8200Routing End Mills Test±0.006”(0.15mm)CNC Tolerance±0.004 ... ,hole,V-shapeSurface FinishHASL,HASL pb free,immersion gold,immersion silver,immersion tin,O.S.P (Entek ... ),S/G plating,ENEPIG,G/F plating,carbon…Gold Finger angle15° 30° 45° 60°Others UL Cert ...