Sleep at work is the new work from home in China’s financial hub

China is finding ways to keep its economy moving along, even under its stringent covid zero policy.

In financial capital Shanghai, which began a two-stage lockdown on Monday (March 28), authorities are allowing companies (notice in Chinese) to keep going by adopting covid protocols that mimic the bubble designed for the Beijing Winter Olympics held in February, when the government created a “closed loop” around the hotels and venues used for the games, and prohibited participants from going outside designated areas till the event ended.

For workplaces, that means developing a system that isolates workers from the outside world by requiring them to temporarily live at their factories or offices, and have their mandatory covid tests done there, according to media reports. Earlier this month, manufacturers in the southern Chinese tech hub Shenzhen put in place similar arrangements with the approval of authorities, which may have helped reduce the economic toll of that lockdown.

Read the rest of this story on qz.com. Become a member to get unlimited access to Quartz’s journalism.