Instruments & Meters Kaifeng Instrument C KaifengInstrumentCo.,Ltd.,formerlyknownasKaifengInstrumentFactory,wasfoundedin19 Reading(738)TAG: Electromagnetic Flow Meter Variable-area Flow Meter Turbine Flow Meter Pipe Prover Proving Tank Positive Displacement Meter Strainer & Air Eliminator Differential Pressure Flow Meter Vortex Precession Flow Meter Vortex Flow Meter