Mechanical Fuel Level Gauge, Capacitive Level Sensor manufacturer / supplier in China, offering Stainless Steel 316 Liquid Water Fuel Oil Tank Level Switch with High/Low Alarm, Top-Mounted NPT 1" Thread Liquid Water Fuel Oil Tank Level Switch with High/Low Alarm (SUS 304/316), Liquid Water Fuel Oil Tank Level Switch with High/Low Alarm (Customized Thread) and so on.