1, No MOQ; 2, OEM SMT&DIP Service; 3, 1-22 Layer; 4, UL.ROSH SGS Certification; 5, High quality, low cost ... delivery. Welcome To Rigao ElectronicsShenzhen 1-22 layer FR4 PCB board and Aluminum PCB with RoHS and UL certificate - Contract Manufacturing- Engineering Services ... 1). Material type: CEM-3,FR-4,FR-4-TG170/TG180,Halogen Free,Rogers,Arlon,Taconic,Isola,PTFE, Bergquist2). Surface Treatment: HASL ...