Mechanical Fuel Level Gauge, Capacitive Level Sensor manufacturer / supplier in China, offering NPT 1", NPT2", NPT1.5" Threaded in Mounted NBR Material Dual-Float Level Switch for Tank Liquid Control, Customized NPT 1", NPT2", NPT1.5" Threaded in Mounting NBR Material Dual-Float Level Switch, NBR Material Dual-Float Various Water Tank Liquid Level Monitoring Level Switch for Industrial and Household Use and so on.