What are the advantages and disadvantages of the three major recruitment websites in China?

Main industries: information technology, electronics, finance, chemical industry, logistics, advertising. ChinaHR.com: Established in 1997, headquartered in Beijing, covering a wide range of industries. In 2006, it became famous as the registration website of CCTV's Win in China program. Zhaopin Recruitment: Founded in 1997, formerly known as the headhunting company alliance, headquartered in Beijing. The main industries involved in Zhaopin recruitment website: IT, fast-moving consumer goods, industrial manufacturing, medical care, consulting and financial services; Comparison of advantages and disadvantages: A. Worry-free websites have a large resume flow, and enterprises can search and use a lot of information. However, the website is not flexible enough, and it is relatively inconvenient for candidates to submit resumes and manage resumes; B, Chinese talents, mainly engaged in the network, with professional network services; However, there are few references for professional technicians in manufacturing and large-scale equipment. C. The recruitment service of Zhilian is in place quickly, which is convenient for candidates to make resumes, and recommendations and system reminders are in place in time, but the scale is small, and the impact is far less than that of worry-free future and Chinese talents.