China Communications Industry Association (CCIA)
GuangdongTouch andApplication Industry Association
TaiwanElectronics EquipmentIndustryAssociation (TEEIA)
Founded in 1984, TDG (Stock Code : 600330) has been developed into the first public company held by individuals in China and has possessed several holding and share holding companies. Focusing in three industries of electronic materials & compon--ents, special high-end equipment, and new energy& environmental technology and application, it is now a key national Hi-Tech corporation integrating R&D, manufacturing and marketing.
TDG has established its Sapphire industry base in Haining. TDG has adopted and assimilated the most advanced foreign technologies for sapphire crystal growth , wafer cutting, grinding and polishing. Thanks to its focus on high-quality sapphire substrate, TDG has first-class R&D team , advanced production facilities and well-developedindustrial chain provide a solid
guarantee for the development and commercialization of Sapphire products.