At the invitation of CINF, Thomas Edelmann, the general manager of science and technology research and development department, and Dr. Li Chao, the manager of China’s mine development department, from Herrenknecht AG visits CINF for technical communication on mine infrastructure and production equipment with detailed discussion made on the selection and application of heading machines. This communication has deepened the understanding of both companies and has laid   foundation for further technical cooperation on mine machinery.