... delivery. Welcome To Rigao Single-side or multilayer pcb with smt and dip assembly - Contract Manufacturing- Engineering Services- PCB ... carton packing13Hole tolerancePTH:±0.076,NTPH:±0.0514CertificateUL,ISO9001,ISO14001,ROHS,CQC15Profiling PunchingRouting,V-CUT,Beveling16Assembly ServiceProviding ... (Functional Circuit Test) technology.4) PCB Assembly With UL,CE,FCC,Rohs Approval5) Nitrogen gas reflow ...