8480600000 under HS Code MOULDING BOXES FOR METAL FOUNDRY; MOULD BASES; MOULDING PATTERNS; MOULDS FOR METAL (OTHER THAN INGOT MOULDS), METAL CARBIDES, GLASS, MINERAL MATERIALS, RUBBER OR PLASTICS MOULDS FOR MINERAL MATERIALS, 2818300000 under HS Code ARTIFICIAL CORUNDUM, WHETHER OR NOT CHEMICALLY DEFINED; ALUMINIUM OXIDE; ALUMINIUM HYDROXIDE -ALUMINIUM HYDROXIDE, and 2833190000 under HS Code Others were the top imported HS Codes by CJSC UPTK in 2021.