意大利Petrol流量计公司
PETROL INSTRUMENTS Italian company founded in 1970, is in accordance with the principle of positive displacement Roots liquid measuring only European manufacturer, specializing in the production of PD flowmeters and related accessories for industrial applications to measure the flow and volume of various liquids, widely used in industrial fields of petroleum, petrochemical, chemical, oil and gas, pharmaceutical, power, etc.
Website：http://www.petrol-instruments.com/