... PCB, Green Solder Mask ,Immersion Tin, RoHS Compliance. 10-Layer PCB,Green Solder MaskImmersion Tin,RoHS Compliance. CertificatesULISO9001TS16949ISO14001--------------------------------------------------------------------------------Testing Items100 ... 6HFlammability94V-0Surface FinishingHASL, LF-HASL, ENIG, Flash Gold, Immersion Tin, Immersion Silver, OSP,Gold Finger, Peelable Mask, Carbon ...