Open recruitment of state-owned enterprises means that state-owned enterprises publish recruitment information through public channels and accept applications from job seekers. This method usually has clear recruitment procedures and requirements, including filling in recruitment forms, taking written tests or interviews, etc. Resume delivery means that job seekers voluntarily deliver resumes to state-owned enterprises, usually by mail, online recruitment platform or directly to the human resources department of enterprises. The way to submit your resume is more flexible. You can freely choose the target company according to your personal situation, and you can attach a personal recommendation letter or recommendation letter.