Taiwan Styrene Monomer Corporation, together with its subsidiaries, produces and sells styrene monomer, para-diethyl benzene, toluene, methyl benzene, hydrogen, and ethyl benzene in Taiwan, the United States, and internationally. The company operates in three segments: Plastic, Investment, and Other. Its products are used in electrical appliances, machines, electronics, automobile, packaging, and other industries. The company primarily serves the manufacturers of polystyrene, acrylonitrile-butadiene-styrene resins, and synthetic rubber. It also offers medical equipment wholesale, and piping engineering services. In addition, the company provides residential building and industrial plant development rental services; hotels; manufactures chemical and plastic raw materials; manufactures electric components; and offers educational, information, software, and data storage consulting services. Taiwan Styrene Monomer Corporation was incorporated in 1979 and is headquartered in Taipei City, Taiwan.