... &fast delivery. Welcome To Rigao Single-side or multilayer pcb with smt and dip assembly - Contract Manufacturing- Engineering Services- PCB Design & ... 22 layer2MaterialFR-4,CEM-1,CEM-3,Hight TG,FR4 Halogen Free,FR-1,FR-2,Aluminum3Board thickness0.2mm-7mm4Max.finished ... Test),FCT(Functional Circuit Test) technology.4) PCB Assembly With UL,CE,FCC,Rohs Approval5) Nitrogen gas reflow soldering technology ...