03
Electronic components
Resistor, capacitor, potentiometer, electron tubes, radiator, electromechanical components, connectors, semiconductor discrete devices, electronic devices, laser device, electronic display devices, optoelectronic devices, sensors, power supply, switch, micro motors, electronic transformers, relays, printed circuit board, integrated circuits, various types of circuit, piezoelectric crystals, quartz, ceramic, magnetic material, printed circuit substrate base board, special material for the process of electronic functions, electronic glue (or tape) products, electronic chemical materials and components, etc.