First, through some recruitment websites, such as Worry-Free Future, Zhaopin, Boss Direct Employment, 58 City, etc. Generally, you only need to register on the website first. Registration is usually done with an ID card, and then a resume is filled in and submitted on the recruitment platform.
Second, some big manufacturers have their own official website, which can be delivered directly in official website, such as Tencent, Ali and oppo. You just need to fill in and submit your resume.
Third, employees promote. You can also extrapolate through school or friends to increase the chances of your resume being seen.
Finally, I wish you a bright future!