More people decided to stay in Hangzhou to pursue their professional career than leave in the first six months of this year.

The net inflow rate of job-seekers in Hangzhou, East China's Zhejiang province, was about 11.2 percent in the first half year of 2017, dwarfing all other cities, National Business Daily reported.

Hangzhou is followed by Shenzhen in the south and Chengdu in the southwest, with net inflow rates at 5.7 percent and 5.5 percent, respectively, in the two metropolises, according to a report by Liepin, an online job search company in China.

The report also showed that it has become more difficult for professionals to move from other cities into Beijing, Shanghai, Shenzhen or Guangzhou -- the top four major cities in China -- to look for a job.

Beijing has not only the narrowest door for job seekers, it is also difficult for its own residents to change jobs between different parts of the capital.

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Human resources overshadowed all other job positions, the report said. There were about 113 applicants on average vying for one HR post in the first six months of 2017.

The report attributed one of the reasons as its easy take -- HR doesn't require much expertise, and anyone who wants to cross industries can take it.

Among the top 10 most favored posts, four involved the internet: operation manager, product manager, front-end web engineer and test engineer.

Undoubtedly, salary plays a key part in the talent flow market. The financial industry has the highest annual income at 220,000 yuan ($33,000), which is 20,000 yuan and 28,000 yuan more annually than the internet and real estate sectors, respectively.

The internet, finance, real estate and medical are the only four sectors that have more talent inflows than outflows, according to the report.