1,Quality Approvals 2,Good reputation 3,Customer service commitment 4,First-class service Product with RoHs ,ULcompliant, p Our PCB ... thickness:0.21mm-7.0mm3)Material:FR-4,CEM-1,CEM-3,High TG,FR4 Halogen Free ,Rogers,HF,NELCON,TACONIC,ARLON,etc4 ... -CUT,Beveling17)PackingInner :Vacuum packing/Plastic bagOuter :Standard carton packing FR-4 PCB