252321000000 under HS Code PORTLAND CEMENT, ALUMINOUS CEMENT, SLAG CEMENT, SUPERSULPHATE CEMENT AND SIMILAR HYDRAULIC CEMENTS, WHETHER OR NOT COLOURED OR IN THE FORM OF CLINKERS - PORTLAND CEMENT: WHITE CEMENT, WHETHER OR NOT ARTIFICIALLY COLOURED, 252310000000 under HS Code PORTLAND CEMENT, ALUMINOUS CEMENT, SLAG CEMENT, SUPERSULPHATE CEMENT AND SIMILAR HYDRAULIC CEMENTS, WHETHER OR NOT COLOURED OR IN THE FORM OF CLINKERS CEMENT CLINKERS, and 732611000000 under HS Code OTHER ARTICLES OF IRON OR STEEL - FORGED OR STAMPED, BUT NOT FURTHER WORKED : GRINDING BALLS AND SIMILAR ARTICLES FOR MILLS were the top imported HS Codes by IDDI HAMAD ALI in 2021.