About Us

Xi’an Yun Yi Instrument Co., Ltd mainly specilized in pressure instrument( precision pressure gauge, stainless steel pressure gauge, oil filled pressure gauge, pressure transmitter), pressure calibration instruments (Piston dead weight tester, pressure calibrator etc). Also we agent ABB, Yokogawa, Rosemount, Wika, Simens, Micro Motion, Honeywell etc for 7 years. Main product: Yokogawa pressure transmitter, EJA110A, EJX110A transmitter, EJA series, Rosemount transmitter, Rosemount hand operator, Rosemount flow meter.

Pressure instrument are mainly used in industries of petroleum, chemical and textile fibres; in equipment used to process chemical, rubber, plastic and food; in machines such as hydraulic presses, air conditioners, and refrigerators; in devices used to provide medical treatment and in many other applications.

Our products are not only sold as the best seller and high-reputation products in the domestic market, but also are exported to the US, Germany, Russia, Italy, South-Korea, India, Thailand and Vietnam with OEM and ODM service, and has won the extremely high praise and trust from the old and potential clients, which can satisfy the increasing development of the technology from the human life and economy. 

Now we have more than 100 employees, including 20 technical personnel. Our factory covers an area of 3000 square meters, and has obtained the production license metering manufacturing CMC00000619, maximize to ensure the quality and service of the product.