39174000 under HS Code TUBES, PIPES AND HOSES, AND FITTINGS THEREFOR (FOR EXAMPLE, JOINTS, ELBOWS, FLANGES), OF PLASTICS - FITTINGS, 39269099 under HS Code OTHER ARTICLES OF PLASTICS AND ARTICLES OF OTHER MATERIALS OF HEADINGS 3901 TO 3914- OTHER : OTHER: OTHER, and 73269099 under HS Code OTHER ARTICLES OF IRON OR STEEL - OTHER : OTHER : OTHER. were the top exported HS Codes by FUTURE DEVELOPMENT SOLUTION JOINT STOCK COMPANY in 2021.