TANCY volume corrector.TANCY was founded in 1995, with a registered capital of 128 million yuan and annual tax payment of more than 120 million yuan, is a professional service provider of flow meters and gas application system solutions in China.TANCY is mainly engaged in the metering of all kinds of gases, oils and liquids, including volumetric, velocity and differential pressure metering products with independent intellectual property rights, which are widely used in the city natural gas, long-distance pipeline, oil, Petrochemical, light industry, metallurgy, electric power, coal and other industries. A number of products have been recognized as national key new products and national innovation fund projects; at the same time, it has also won various provincial and ministerial science and technology honorary awards. The main products include: gas ultrasonic flowmeter, gas turbine flowmeter, gas Roots flowmeter, mass flowmeter, electromagnetic flowmeter, vortex flowmeter, gas rotary flowmeter, CPU card, industrial gas flowmeter, volume corrector, data collector, flow controller, new type of flow computer analyzer, gas flow rate standard device, remote data acquisition system.