▲: Self-closing explosion-proof level gauges for locomotives STB325(N) and STB350(N), internal combustion, electric locomotives. ST325 and ST350.

▲: STB series self-closing liquid level indicator, STA series self-closing liquid Position indicator, STD series self-closing liquid level indicator, 

▲: STC series self-closing liquid level indicator, ST1C series self-closing liquid level indicator, STP series self-closing liquid level indicator, ST2P series autism Level indicator, 

▲: New product TH series self-closing liquid level indicator, STB series self-closing liquid level indicator, 

▲: Self-closing liquid level indicator for oil, water, beverage, various chemicals Liquid level indication. 

▲: magnetic level device, liquid level sensor, digital display level gauge.