Electronic components include:

   resistors, capacitors, inductors, potentiometers, tubes, radiators, electromechanical components, connectors, semiconductor discrete devices, electroacoustic devices, laser devices, electronic display devices, optoelectronic devices, sensors, power supplies, switches, micro Special motors, electronic transformers, relays, printed circuit boards, integrated circuits, various circuits, piezoelectrics, crystals, quartz, ceramic magnetic materials, substrates for printed circuits, special materials for electronic functional processes, electronic adhesive (band) products , Electronic chemical materials and parts, etc.