Woosung Co., Ltd. is a South Korean company established in 1970, primarily engaged in the production of mixed feed for livestock, fish farming, and pets. The company also operates in real estate rental and trading businesses both domestically and internationally. Woosung has traded in products such as sacks and bags, paperboard, cellulose wadding or webs of cellulose fibres, disinfectants, dog or cat food put up for retail sale, parts of garments or clothing accessories, buttons of plastic, and medicaments.