... Power and Fans Speed control Pump ON/OFF Customized the controller for Portable Air condition, Fans ,Cooler/Heater etcBasic functions ... 5, Ozone ...1, We have much expereince in various of electrical product PCB design and assembly2, We provide PCB ... assembly service ,OEM and ODM4, Programmable logic controller(PLC) test fixture is utilized to test electrical function of PCBA5, We provide the mould ...