38112100 under HS Code ANTI-KNOCK PREPARATIONS, OXIDATION INHIBITORS, GUM INHIBITORS, VISCOSITY IMPROVERS, ANTI-CORROSIVE PREPARATIONS AND OTHER PREPARED ADDITIVES, FOR MINERAL OILS (INCLUDING GASOLINE) OR FOR OTHER LIQUIDS USED FOR THE SAME PURPOSES AS MINERAL OILS ADDITIVES FOR LUBRICATING OILS: CONTAINING PETROLEUM OILS OR OILS OBTAINED FROM BITUMINOUS MINERALS, 27101993 under HS Code Others, and 34031990 under HS Code Others were the top imported HS Codes by IDEMITSU LUBE PAKISTAN PRIVATE LIMITED in 2021.