... of high-purity quartz tube UGS series color quartz glass level meters with performance of on site indication are made ... flowmeters,thermometers,liquid level meters,transmitters and so on.The main products are contain of LZB/LZJ(-F)glass tube flow meter,LZB ... organic panel type pure water flow meters,UHC magnetic flap liquid level meters,LUGB/LUCB vortex street flow transmitter,LDG electromagnetic ...