Zhejiang Tiantong Electronics Co. Ltd. (TDG), listed in the Shanghai Stock Exchange, develops and manufactures MnZn and NiZn based soft ferrite cores.  The company has over 300,000 m2 production space, with fixed asset exceeding 90,000,000 USD.  Its state-of-the-art equipment includes thirty lines of tunnel kilns with automatic nitrogen protection, eight lines of covering kilns, all imported from Germany and Japan, more than 400 pieces of equipment for powder processing, baking, pressing, and milling, and advanced characterization tools.  Tiantong has over 2700 employees, including 560 technicians, 210 R&D engineers, and over 50 senior technical staff.  
Tiantong   produces  over  20000 T   magnetic  materials  each  year,  serving  both domestic and  foreign markets.  Nearly  50% of its products are exported  to 20 countries in Europe, North America, and Southeast Asia.  

Tiantong is an ISO9002 certified company.  Built on its cutting-edge technology, largest manufacturing capacity, and strict quality control system, it has become a recognized leading provider of magnetic materials and components.   It is ranked among the top 100 enterprises in China, and is a key enterprise in Zhejiang province.  Energized by reform and innovation, Tiantong keeps focusing on continuous product development, quality improvement, and business growth, fulfilling its promise of bringing attractive returns to shareholders.  While constantly enhancing its core competence, Tiantong takes full advantage of a favorable financial position to extend its business and technology thrusts to related industries.  Emphasizing on results and innovation, cherishing efficiency and creativity, Tiantong has adapted well through a rapidly changing marketplace