Mozaffar Hossain Spinning Mills Limited manufactures, processes, and sells cotton yarn and related textile products in Bangladesh. The company operates through open-end rotor spinning and ring spinning manufacturing divisions. Its core product portfolio comprises 100% cotton carded yarn; cotton combed yarn; open-end rotor yarn; polyester and synthetic blended yarn; lycra blended yarn; melange yarn; and specialty woven and knitting yarns ranging across counts from 10 Ne to 60 Ne. Mozaffar Hossain Spinning Mills Limited operates primarily as a deemed exporter, supplying specialized spinning products directly to export-oriented composite textile mills, knitwear manufacturers, and woven garment producers serving apparel markets across North America, Europe, and Asia. In recent operational developments and strategic expansions, the company commissioned a commercial expansion featuring a 36,000-spindle ring spinning production unit to increase total annual spinning output to approximately 13,000 metric tons, alongside completing modernizations across its open-end rotor facilities. The company also initiated a second-phase expansion project to install 10,200 specialized ring spinning spindles dedicated to higher-margin blended and synthetic yarn varieties, supported by a 2-megawatt captive gas-based power generation facility to secure energy continuity and enhance production efficiencies. The company operates as a key manufacturing entity within the SIM Group, an integrated textile and apparel conglomerate. Mozaffar Hossain Spinning Mills Limited was incorporated in 2005, operates primary production mills in Narayanganj, and is headquartered in Dhaka, Bangladesh.