10-Layer PCB, Green Solder Mask ,Immersion Tin, RoHS Compliance. 10-Layer PCB,Green Solder MaskImmersion Tin,RoHS Compliance. CertificatesULISO9001TS16949ISO14001 ... , ENIG, Flash Gold, Immersion Tin, Immersion Silver, OSP,Gold Finger, Peelable Mask, Carbon PrintingMaterialFR4, ROGERS, Taconic, ARLON, BT, Ceramic, Aluminum 10-Layer Immersion Tin PCB