Great Wall Jialan Exhaust Gas Purification Liquid is a vehicle urea product launched by Great Wall Lubricants in 2013, which is suitable for all kinds of vehicles equipped with diesel engines and SCR exhaust gas treatment systems. The comprehensive conversion rate of Great Wall Jialan exhaust purification liquid to nitrogen oxides (NOX), the main pollutant of motor vehicle exhaust, can reach more than 60%, which can ensure that diesel exhaust meets the national IV standard, and can also effectively improve the thermal efficiency of the engine and effectively reduce transportation costs.