SK Siltron Co., Ltd is one of the subsidiaries of SK Holdings, world leading company in diverse business areas including energy, chemicals, information and communications, semiconductors marketing and service, has splendid development in the field of the material of semi-conductor. We produce 200mm and 300mm wafers, including Polished Wafer and Epitaxial Wafer. We have consistently developed the technology of wafer throughout the diversely innovative activities. We also have broadened our business to the world based on a deep relationship with customers, world top chip manufactures. We have branch office in Taiwan, U.S. China and Europe.