... Flexible Circuit Board 2. High quality control 3. Prompt delivery 4. FR-4 material 5. UL ISO9001 certificater Rigid-Flexible ... reference: DescriptionDetails SpecificationBase MaterialFR-4,Aluminium-backed board,Halogen-free,Lead-free compatible,High Tg, ... typeHigh precision multi-layer board,Blind hole board, Buyerd hole board,High frequency board,Aluminium backed boardCertificateISO9001.UL etcWelcome ...