NB-IoT IloT Combustible Gas Alarm

Non-contact IC card cold woltman water meter (DN40-100MM)

Photoelectric direct reading remote water meter

Non contact IC card cold water meter

Rotary piston cold water meter

NB-IOT smart water meter

Diaphragm remote-reading gas meter

Diaphragm gas meter

IC card diaphragm gas meter

Intelligence control platform for water meter

Detachable woltman cold water meter

Large diameter IOT water meter