... 22 layer FR4 PCB board and Aluminum PCB with RoHS and UL certificate - Contract Manufacturing- Engineering Services- PCB Design ... TG170/TG180,Halogen Free,Rogers,Arlon,Taconic,Isola,PTFE, Bergquist2). Surface Treatment: HASL,HASL lead-free ... Profiling: Punching, Routing, V-CUT, Beveling19). Certificate: UL,ISO 9001,ISO14001,ROHS20). We have a sound ... board and Aluminum PCB with RoHS and UL certificate