TSJ is a specialized company in functional ceramic materials. We focus on manufacturing ceramic materials that meet the far-infrared radiation rate and radiation energy standards required for the Class 2 medical device licensing standard for infrared irradiators and have antibacterial, antifungal, and deodorizing functions. Based on R&BD for continuous development and growth, we are expanding our business to various fields such as displays, semiconductors, medical, organic farming, and pet businesses.