Peking University part-time Doctorate has five specialties, which are electronic information (software engineering technology, software services engineering, field software engineering, big data technology, software and systems security, integrated circuits and integrated systems, integrated micro-nano system technology, integrated circuit process and manufacturing engineering, optoelectronic information, intelligent technology and engineering, engineering science and technology innovation management and other research directions), educational economics and management (senior education administration direction), educational leadership and management, machinery, materials and chemical industry.

The faculties in which these majors are located are the School of Software and Microelectronics, the School of Education, the School of Engineering, and the School of Materials Science and Engineering.

Peking University is a comprehensive research university with 11 disciplines including philosophy, economics, law, education, literature, history, science, engineering, medicine, management, and art, and has 50 authorized points for doctoral degrees in first-level disciplines, 262 doctoral degree-granting majors, and 6 authorized points for doctoral degrees in specialized disciplines.

The above reference? Peking University Graduate Admissions - Doctoral Admissions Catalog