BEIJING (CAIXIN GLOBAL) - Internet giants in China have expanded rapidly due to the business opportunities brought by the Covid-19 pandemic, yet the expansion has come at the cost of the health of their employees.

Last year, the pandemic created enormous opportunities in areas such as online workplaces, medical care and community group-buying. China's Internet companies, many of which had been troubled by difficulties in user growth for several years, quickly adjusted their strategies to expand into these areas.