... assembly SMT processing 2)Supplying circuit electronic board service 4) lamp holder assemblies of T8/T10 (10-24)in series with ... 12 in parallelr,T5/T8/T10 fluorescent lamp,Unisolated constant current power,with PFCItem: HC-LED ... current power ,withPFC lamp holder assemblies of (10-24) in series with 12 in parallelr,T5/T8/T10 fluorescent lamp,Unisolated constant current ...