1.Multilayer Electronic Metal Detector PCB 2.UL,SGS,Rohs Certificate 3.Material based On ... , Flexible, Rigid-flexibleBoard MaterialFR-4 glass epoxy, FR-4 high Tg, Rohs compliant,Aluminum,Rogers,etc.Board CuttingShear,V-score ... AssemblyTechnical requirement for pcb&pcb assembly:---- Professional Surface-mounting and Through-hole soldering Technology---- Various sizes like 1206,0805,0603 components ...