Overview
Founded in 1984 (stock code: 600330), TDG Holding Co., Ltd. is the first listed company in China that is controlled by individual shareholders. The company possesses subsidiary holdings and invests in numerous companies. As a nationally-renowned high-tech company, TDG is committed to R&D, manufacturing, and sales of electronic materials, electronic module, green energy and smart equipment across the entire supply chain of electronic information materials.
TDG is specialized in the research and development, manufacturing and sales of sapphire crystal materials. With a complete industrial chain from sapphire crystal growth to wafer processing, TDG's products have covered 2-12 inch sapphire substrate, optical window cover, and can be customized according to customer needs. Now TDG’s Sapphire Products are widely used in LED lighting, consumer electronics and other fields.
Now TDG has established sapphire industrial bases in Haining, Zhejiang, Yinchuan, Ningxia and Xuzhou, Jiangsu.