The Chinese billionaire and co-founder of the online shopping giant Alibaba has continued to argue for a 9am to 9pm working day, and a six-day week.
Jack Ma’s backing for the so-called “996 system” is being hotly debated in the Chinese media.
Last week, Mr Ma wrote that without the system, China’s economy was “very likely to lose vitality and impetus”.
His stance was backed by fellow tech entrepreneur Richard Liu, the boss of ecommerce giant JD.com.
On Friday, Mr Ma called the opportunity to work 996 hours a “blessing”.
Mr Liu said years of rapid economic growth in China had boosted the number of “slackers”.
The country has enjoyed economic growth averaging 10% for more than 25 years – from