8 Layers PCB with 4/4mil Minimum Line Width/Spacing, BGA, 1.6mm Board Thickness and RoHS Mark1.UL,SGS,ROHS,IS09001, ... CE,IPC multilayer pcb with BGA 1.Base Material:fr42.copper thickness:2oz3.board thickness ... SGS ULsample picture product authenticationcompany profile 8 Layers PCB with 4/4mil Minimum Line Width/Spacing, BGA, 1.6mm Board Thickness and RoHS ...