Crystals and carbon materials for electrical, electronic and electrical components.

Galena crystal (detector), 090271; Wafer (germanium wafer), 090584; Silicon epitaxial wafer, C090066；; Timely crystal, C090067；; Polycrystalline silicon, C090068；; Selenium piles and selenium tablets, C090069；; Resistive material, C090070；; Carbon material, C090071; Carbon electrode, C090072；; Graphite electrode, C090073；; Carbon block, C090074；; Graphite carbon block, C090075；; Carbon sheet, C090076；; Carbon particles, C090077；; Carbon rod, C090078；; Carbon refined powder, C090079；; Carbon tube, C090080；; Carbon brush, C090081; Graphite brush, C090082；; Missing board, C090083；; Mercury rectifier cathode, C090084；; Electron tube anode, C090085；; Anode paste, C090086；; Printed circuit, 090125; Integrated circuit, 090538; Integrated circuit block, 090540; Electric coil, 090001; Magnet, 090023; Electromagnetic coil, 090024; Amplifier, 090037; Amplifier tube, 090038; Capacitor, 090140; Electrical conductor, 090141; Photoelectric switch (electrical appliance), 090168; Glass covered with live conductors, 090224; Fuse, 090269; Choke (impedance), 090441; Choke (impedance), 090441; Resistor, 090427; Varistor, 090432; Vacuum tube (radio), 090491; Variable inductance, 090493; Fuse, 090505; Alloy wire (fuse), 090505; Alloy wire (fuse), 090505; Inductor coil bracket, 090514; Photocell, 090531; Non-illuminating discharge tube, 090559; Transistor (electronic), 090624; Launch tube, C090087；; UHF tube, C090088；; Electron beam tube, C090089；; Potentiometer, C090090；; Oscilloscope, c090091; Electron tube, C090092；; Semiconductor device, C090093；; Magnetic materials and devices, C090094；; Ceramic filter, C090095；; Transformer (power), 090049; Terminal (electrical), 090089; Cable Armor Table, 090098; Electric heating protective sleeve, 090121; Current collector, 090129; Wire tube, 090142; Conductive conduit, 090142; Closed circuit equipment, 090143; Electrical connector, 090144; Precious metal plug, 090147; Electric regulating equipment, 090150; Transformer, 090153; Electrical switch, 090164; Rectifier, 090167; Pressure reducer (power supply), 090168; Circuit breaker, 090191; Catheter (electricity), 090216; Wire connector, 090219; Electrical connector, 090220; Electric coupler, 090220; Relay (electrical), 090222; Armature (electric), 090305; Inverter (electric), 090310; Automatic timing switch, 090353; Wire connector (electrical), 090442; Thermionic lamps and tubes, 090506; Dimmer (regulator) (electric), 090606; Optical regulator (electric), 090606; Dimmer (electric), 090606; Cable connector sleeve, 090626; Brake box (electric), 090131; Rectifier, 090132; Junction box (electrical), 090145; Electrical plug, 090148; Contactors (electrical connectors) such as plugs and sockets, 090166; Connection (electrical connection) of sockets and plugs, 090166; Distribution box (electricity), 090054; Operator, 090146; Operator (electricity), 090197; Distribution console (electrical), 090198; Control panel (electric), 090217; Solenoid valve (electromagnetic switch), 090675; Power socket cover, 090669; Ballast for lighting equipment, 090672; Surge protector, 090676; Stage lighting regulator, 090682; Transformer, C090096；; Sensor, C090097；; Degausser, C090098；; Voltage regulator, C090099；; Stabilized power supply, C090100; ; Up converter, C090102; ; Low voltage power supply, C090103; ; High and low voltage switchboard, C090104; ; Starter, C090105; ; Fuse, c090106; ; Bus duct, C090107; ; Fluorescent screen, 090208; TV screen, C090652；; Remote control instrument, 090470; Home remote control, C090101; Optical fiber (optical fiber), 090571; Optical fiber (single fiber), 090571;

Look at the detailed classification above. If your product is included, it is the ninth category of the subcategory 09 13.