... 1979,at the begining our company named as Qinfeng Flow meter.we are the professional manufacturer of flowmeters, ... magnetic flap liquid level meters,LUGB/LUCB vortex street flow transmitter,LDG electromagnetic flowmeters,LWGY/LWY turbine flowmeters,WSS ... advanced technology,adopt to panel installation,equip with adjustable flow valve.Light structure,good figure,easy installation and maintenance ...