ROADSTONE, associated brand produced by NEXEN TIRE, has Yangsan plant in Korea and 500,000 square meter large Qingdao plant in China, one of the world’s biggest Tire markets. And in March 2012, it has opened its third plant in Changnyeong, Korea. Changnyeong plant is also 500,000 square meter scale, eco friendly plant with cutting-edge and highly automated facilities producing high value products.