1. academic performance: applicants need to have good academic performance, and usually require a GPA of 3.0 or above (out of 4.0) at the undergraduate level. For some popular majors, such as computer science and electronic engineering, GPA requirements may be higher. In addition, applicants need to provide copies of transcripts and degree certificates.

2. Language ability: Non-native English speakers need to provide proof of English proficiency, such as TOEFL or IELTS scores. TOEFL score above 90 or IELTS score above 6.5 is usually required. Some majors may have higher requirements for language scores.

3. Research experience: Applicants need to have certain research experience, such as participating in research projects and publishing academic papers. These experiences can reflect the applicant's academic ability and research potential.

4. Letter of recommendation: Applicants need to provide two or three letters of recommendation, usually issued by tutors or professors at the undergraduate level. The recommendation letter should describe the applicant's academic ability, research potential and teamwork ability in detail.

5. Personal statement: Applicants need to submit personal statements, explaining their academic background, research interests, future planning and other contents. The personal statement should highlight the applicant's strengths and advantages and explain why he is suitable for the graduate program of this major.

6. Other materials: According to the requirements of different majors and projects, the applicant may need to provide other materials, such as portfolio and internship certificate. For specific requirements, please refer to the graduate enrollment website of Dalian University of Technology or contact relevant tutors.

In a word, applying for graduate students in Dalian University of Technology requires high academic performance, good language skills, rich research experience and outstanding personal characteristics. When preparing the application materials, it is recommended to know the specific requirements of the school and major in advance to improve the chances of successful application.