SONG CHUAN

electric switches; electric sockets; electric terminals; [ electrical power adaptors; electric connectors; circuit breakers; ] connection plugs; [ electrical connecting terminal disks; electrical connecting terminal blocks; terminal blocks; fuse holders; ] electric contacts; electromagnetic switches; [ electrical push button switches; electrical switching instruments; permanent magnets; ] solid-state relays; cable connectors [ ; electrical connecting instruments; electrical cable connectors; solenoid valves, namely, electromagnetic switches ]