The 2019 National Heat Transfer Conference hosted by Qingdao University of Science and Technology was held on October 18-20 at Qingdao. Mr Daosheng Tang won the "Buxuan Wang-Zengyuan Guo" Best Poster Award on the conference on the basis of his research of "Effects of biaxial strain on thermal conductivity of Gallium Nitride including contribution from electron-phonon coupling by first principle calculations".