SD is a total building materials and system design provider whose wide business areas cover building construction, interior, renovation, exhibition markets, and has been endeavoring to become the 21st century's leader in the areas. SD has accomplished the development of its patent-attained, 'SP Panel' which focuses on practicality and functionality as well as beautiful design. However, SD is not yet satisfied with this fruitful result, but the company will continue to develop and provide high-quality products and services to customers until its ultimate goal is achieved: a global market-leading company of the 21st century. SD has accomplished the development of its patent-attained, 'SP Panel' which focuses on practicality and functionality as well as beautiful design. However, SD is not yet satisfied with this fruitful result, but the company will continue to develop and provide high-quality products and services to customers until its ultimate goal is achieved: a global market-leading company of the 21st century.