email：
891851660@qq.com
891851660@qq.com
TRH-L-F1 floating ball flow sensor, economical flow calculation instrument
PTJ302 anti-corrosion input type liquid level sensor/transmitter
PTJ301 immersion type liquid level sensor/transmitter (with on-site display immersion type liquid level sensor/transmitter)
TRH-Y-C magnetic liquid level sensor, liquid level measuring instrument
Widely used in boiler air supply, underground ventilation, central air conditioning, duct wind power, fan engineering inlet and outlet, pipeline wind pressure, building automation and other power and
