Main business blank：RF Isolators, RF Circulators, RF Filters, Attenuator/Termination, Power Divider, Duplexer, Hybrid Combiner, Directional Coupler, Waveguide to Coaxial Adapter
Main business blank：PLC module, DCS card pieces, ESD system card pieces, vibration monitoring system card pieces, steam turbine control system module, gas generator spare parts
