Vehicle power supply system of urea is urea pump components, metering pump, also known as urea, urea feeder, urea injection for automotive diesel engine exhaust gas aftertreatment systems, under the increasingly pay attention to environmental protection policy, in order to satisfy the four, five, six, etc., on car emissions nitrogen oxide plays an important role, so as to achieve the purpose of energy saving and emission reduction.We design urea pumps with different types of flow according to different models to meet customers' needs.