Why are some company information on the recruitment website confidential? If the interview is notified by mobile phone, is it credible? What other recruitment websites are better?

It is normal for recruitment companies to keep information confidential, and so is SMS notification. Pay attention to whatever money you pay, and go to regular websites when looking for a job. The local talent network is more reliable, and online recruitment of Zhilian and street network can also be used. It's quite formal. All our recent graduates will submit their resumes online.