Horiuchi Shoten Co., Ltd. Founded in 1957. Under the THO brand, the company produces various gasket, oil seals, valve stem seals and rings. The production uses the latest technology and the best materials, which allow us to produce goods that meet the most stringent requirements of automobile manufacturers.. It supplies its products to the domestic and foreign markets. The head office and factory are located in Japan in Misato city near Tokyo.
Products of the THO brand meet the highest quality standards, which can withstand the most severe operating conditions.
