... in 1979,at the begining our company named as Qinfeng Flow meter.we are the professional manufacturer of flowmeters,thermometers, ... UHC magnetic flap liquid level meters,LUGB/LUCB vortex street flow transmitter,LDG electromagnetic flowmeters,LWGY/LWY turbine flowmeters,WSS ... to facilitate precise setting of gas and liquid flow rates,LZB-()W series flow meters without needle valve.On request, these ...