Nexen Corporation • Established in Busan, Korea in 1968. • World’s largest tube manufacturer. • Tubes exported to more than 140 countries worldwide. • Two factories in two countries: Gihame factory (Korea) and Qingdao factory (China). • ISO 9001 certified. • Total production capacity of 38 million pieces per year. • Started production for Dunlop brand in 1982, Firestone and Goodyear in 1984.