The additive is also be added in the list of auto care products as they are used to provide extra care to your automobile. Coolant additive Inhibit rust, corrosion scale formulation replenishes lost corrosion protrusion complete wet-liner protection protects all cooling system metals for use with extended life technology (ELD). Additives are anti-rust coolant additive. INZIN also provide Coolant additive for diesel engines. INZIN is the engine coolant manufacturer in Delhi. Additive works as the best coolant for cars and keeps a little bit extra care of your automobile.