381121000000 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, 732020000000 under HS Code SPRINGS AND LEAVES FOR SPRINGS, OF IRON OR STEEL - HELICAL SPRINGS, and 848180000000 under HS Code Others were the top imported HS Codes by EAST AFRICA WAREHOUSING T LIMITED in 2021.