The PhD in Mechanical Engineering at Qingdao University of Science & Technology (QUST) is a dynamic and innovative three-year program aimed at international students who wish to explore the vast and evolving field of mechanical engineering. This program is conducted in both English and Chinese, facilitating a multicultural learning atmosphere that prepares graduates for contemporary global engineering challenges. Throughout the course, students will engage with a comprehensive curriculum that includes critical areas such as thermodynamics, fluid mechanics, material science, and advanced manufacturing processes. The program adopts a multidisciplinary approach, allowing students to combine knowledge from various domains, including mechanical engineering, design, and energy systems, to craft practical solutions to real-world issues. At QUST, students benefit from state-of-the-art laboratories and research facilities, providing hands-on learning experiences. The faculty consists of experienced scholars who guide students throughout their academic journey, emphasizing critical thinking and innovation. Research is a vital component of the program, encouraging students to tackle pressing challenges related to sustainability, energy efficiency, and automation. Graduates will emerge with a profound understanding of mechanical engineering principles, along with the capabilities needed to succeed in academia, industry, and research institutions, focusing on sustainable engineering practices.