... 3)Certificate:UL,ROHS,REACH,IS 6-layer immersion gold E-paper main board pcb1)Base material:FR-42) ... 1mmPROFILEMILLING MOULDING V-CUT CHANFERCOATINGHAL, LEAD FREE HAL, ENIG/IMMERSION GOLD, OSPSOLDER MASK COLORGREEN, BLUE, BLACK, WHITE,REDTECHNNOLOGYBLOCK,BGA,PEELABLE ... ,CARBON INKASSEMBLYLEAD FREE,NOT LEAD FREELEGEND COLORWHITE, BLACK, YELLOW,GREENCERTIFICATEUL,ROHS,REACH,ISO9001,T/S16949