TDG.TDG was founded in 1984 as China's first publicly listed company directly controlled by natural persons. The company has established four major business segments: electronic materials, electronic modules, intelligent equipment, and green energy. Its operations span the entire electronic information materials industry chain, positioning it as a national high-tech enterprise integrating R&D, manufacturing, and sales. Through years of development, TDG has built a comprehensive industrial layout with multiple wholly-owned and equity-participated subsidiaries.