The Southern Rubber Industry Joint Stock Company (Casumina) is a Vietnam-based company operating in the rubber industry. The Company is engaged in the manufacturing of rubber products for industrial and other usage, as well as the trading of materials, equipment and chemicals used in rubber product manufacturing. Its products include bicycle, motorcycle and automobile tires, along with rubber gloves and tubes. The Company's products are distributed in the domestic market and exported to Cambodia, Laos, Thailand and African countries. In addition, it is involved in real estate operations. As of December 31, 2012, the Company was a subsidiary of Vietnam National Chemical Corporation (Vinachem). As of the same date, it had one joint venture, one affiliate and four enterprises.