Founded in 1984, TDG (Stock Code: 600330) was the first public company held by individuals in China, which has possessed several holding companies and shareholding companies. TDG is a key national Hi-Tech enterprise integrates R&D, manufacturing and marketing in one. TDG focuses on electronic materials, electronic components, intelligent equipment and strategic investment.
TDG is committing to developing high quality sapphire crystal materials, researching large size and high quality sapphire products.Products covers 2-12 inches sapphire wafer. Providing customers high quality products and services,TDG has become the leader of China’s sapphire industry.
Products