870520000000 under HS Code 8705 SPECIAL PURPOSE MOTOR VEHICLES, OTHER THAN THOSE PRINCIPALLY DESIGNED FOR THE TRANSPORT OF PERSONS OR GOODS (FOR EXAMPLE, BREAKDOWN LORRIES, CRANE LORRIES, FIRE FIGHTING VEHICLES, CONCRETE-MIXERS LORRIES, SPRAYING LORRIES, MOBILE WORKSHOPS, MOBILE RADIOLOGICAL UNITS) MOBILE DRILLING DERRICKS were the top imported HS Codes by A R DRILLING AND EXPLORATION LIMITED in 2021.