On June 8, professors Liu Shutang, Cao Weidong and Zhang Hongbo from Qilu Jiaotong College of Shandong University visited and communicated with each other. Chai Yuqing, the head of the subgrade and pavement professional committee of the Technical Quality Department, Wang Weizhong, the director of the Geological Disaster Prevention Technology Engineering Research Center, Wang Yan, the technical director of the First Design Institute, Feng Zhigang, the vice president of the First Design Division and the regional manager of Shandong, and the heads and designers of the subgrade and pavement discipline of several departments participated in the symposium.

　　During the symposium, both parties had sufficient communication and discussion on the design and construction technology of highway stone filled embankments. Through communication, we have further enhanced mutual understanding and trust, and strengthened our confidence in deepening cooperation and win-win development, laying a solid foundation for further cooperation in the future.