How many recruitment websites are there in Zhengzhou? Which recruitment effect is the best? Why?

Bos Talent Network, Space-based Talent Network, Zhilian Recruitment Network and Carefree Future Network. As far as the availability of recruiters is concerned, the effect of recruitment is similar.

See where the people you recruit are mainly distributed. If you are in the whole country, you will have a better future with Zhilian. If you are in Henan, you'd better use Bos and Tianjin.