Xi'an Yunyi Instrument Co., Ltd. is a professional manufacturer
that engaged in the fields of pressure measurement instrument.
We specializing in developing high precision pressure
transmitter,pressure gauges,pressure calibrator , deadweight tester
and level measurent..
And we also develop valves,flow meter,temperature transmitter,
densitometer etc. They are widely used in chemical, petroleum,
paper, electricity, city gas, environmental protection, water
treatment and other fields.