Lanzhou University has developed a campus-wide SPOC online teaching platform using Chaoxing Group’s “1 + 3” technology framework. This platform is integrated with the unified “Online Lanzhou University” system, facilitating campus-wide information exchanges and resource sharing. The SPOC platform delivers a teaching and learning environment tailored to each faculty member and student, effectively supporting educational activities before, during, and after class. Emphasizing the creation and sharing of online course resources, Lanzhou University encourages faculty to blend creatively the strengths of traditional and online teaching for various undergraduate courses and beyond. The SPOC platform currently serves over 36,000 students, 2,700 teachers, and 500 administrative staff, supporting activities such as general education, blended learning, course resource development, interactive teaching, and specialized training. It houses an extensive collection of 700,000 teaching resources and a question bank with 1.4 million entries. Additional features include student performance analysis, comprehensive competency assessments, online teacher training, and training certification management, all of which significantly enhance the educational quality and develop students’ overall capabilities.