This shampoo adopts an advanced international formula, this shampoo is made by applying complex soft and surface active materials. It contains super decontamination polymer. The foam created is rich and can effectively attach to the surface to decompose, making the car gloss without damaging the coating surface. This gets product can effectively remove greasy dirt, gum and carbon deposits on PVC valve, erg valve, choke and other parts. It can easily flush off the charcoal residue on a carburetor. The product can improve the combustion efficiently, help save oil and decrease the gas pollution.