8421230000 under HS Code CENTRIFUGES, INCLUDING CENTRIFUGAL DRYERS; FILTERING OR PURIFYING MACHINERY AND APPARATUS, FOR LIQUIDS OR GASES FILTERING OR PURIFYING MACHINERY AND APPARATUS FOR LIQUIDS: OIL OR PETROL-FILTERS FOR INTERNAL COMBUSTION ENGINES, 3926909709 under HS Code Others, and 3403990000 under HS Code LUBRICATING PREPARATIONS (INCLUDING CUTTING-OIL PREPARATIONS, BOLT OR NUT RELEASE PREPARATIONS,ANTI-RUST OR ANTI-CORROSION PREPARATIONS AND MOULD RELEASE PREPARATIONS, BASED ON LUBRICANTS) AND PREPARATIONS OF A KIND USED FOR THE OIL OR GREASE TREATMENT OF TEXTILE MATERIALS, LEATHER, FURSKINS OR OTHER MATERIALS, BUT EXCLUDING PREPARATIONS CONTAINING, AS BASIC CONSTITUENTS, 70 % OR MORE BY WEIGHT OF PETROLEUM OILS OR OF OILS OBTAINED FROM BITUMINOUS MINERALS OTHER: OTHER. were the top exported HS Codes by JOINT STOCK COMPANY YUZHNOE NUCHNO PRODUCTION ASSOCIATION FOR MARINE GEOLOGICAL EXPLORATION AOYUZHMORGEOLOGIA in 2021.