LSZ Double-Rotator Flowmeter is the latest & international super-class volumetric-type flowmeter researched and developed by our company. It is a type of precise instrument measuring liquid flow in the pipeline, featuring high measurement precision, smooth running, free of pulsation, low noise, long service life and excellent adaptability to viscosity etc.. Therefore, it has been widely used in various fields such as petroleum, chemical, metallurgy, electric power, shipping, traffic, dock, mine, thermal power, and foodstuff industries etc.. It is especially suitable for commercial trade measurement for crude oil, high condensation oil, crude oil with high water content, petroleum products, foodstuff and chemical solutions as well as measuring management and control of engineering automation