1. OEM PCBA, SMT,DIPand final Assembly. 2. UL,CE,FCC, Rohs standard 3. Provides OEM and ... and set temperature.6. PTC Heater, NTC detect temperature.PCB assembly,PCBA,SMT,DIP process:1) Surface-mounting Technology(SMT) and ... board assembly7) ISO 9001:2008 Factory located in China. PCB Assembly for electric curling iron