Cristal Blue Engine Oil Supplier

Cristal Blue is used in diesel engines. It is a liquid used in SCR (Selective Catalytic Reduction Technology) technology to reduce nitrogen oxide contamination in diesel exhaust. As the environmental protection departments of various countries propose to further reduce the emission of nitrogen oxides from diesel emissions. India is commonly known as the European standard IV (also known as the four national standards). Engine manufacturers began to use SCR technology to meet the requirements of environmental protection departments.