Why can't China Southern Airlines recruit online?

The recruitment of air safety officers in Beijing and Changsha of China Southern Airlines will start at 9: 30am on June 7th, with written examination on June 8th, retest on June 9th and 10, and professional physical examination on June 9th and 10/1. The specific locations for public registration and visual inspection are as follows:

Changsha constituency: Nanhai Hotel, No.56 Bayi Road, Changsha.

Bus lines: 70 1, 1,12, 127, 405, 50 1, 202,1.