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Shenzhen factories keep running at full capacity despite Covid-19 disruptions in test of China's zero-tolerance approach

Many factories in China's technology hub of Shenzhen are managing to run at or near full capacity while adhering to China's rigid "dynamic zero" Covid-19 policy, offering a glimpse at how the country's vast manufacturing machine keeps humming under the world's strictest quarantine regime.

At BST Computer Accessory, a smartphone charging cable manufacturer in the city's northwestern industrial district of Guangming, all 300 of its workers were kept busy on an early May workday. It was just a few weeks after Shenzhen imposed a citywide lockdown in March to battle a fresh outbreak in the city amid a much larger surge just across the border in Hong Kong.

Shenzhen's lockdown forced the factory to suspend operations for five days, but it was just a blip in the factory's production, according to Hu Jun, the company's owner. Hu had applied to resume production under a "closed-loop" system that keeps workers on site in case the lockdown was extended, but it was lifted on the fifth day, before a government review of the factory's preparedness was completed.

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"We needed to follow the government's order, but fortunately we were able to recover quite soon," Hu said.

Workers at BST Computer Accessory assemble smartphone charging cables under a sign reminding employees to wear a mask when handling chemicals. Photo: SCMP / Iris Deng alt=Workers at BST Computer Accessory assemble smartphone charging cables under a sign reminding employees to wear a mask when handling chemicals. Photo: SCMP / Iris Deng>

While the factory has posted signs reminding workers to wear masks, some ignore the recommendation. Hu said one reason enforcement has not been strict is because medical staff conduct nucleic acid testing for workers in the industrial park every two days.

"The tests are organised by the government and free of charge," he said.

Activity in the industrial park suggests that nearby businesses share BST's relative success in keeping production uninterrupted. A steady stream of cars and trucks can be seen entering and leaving compounds in the area, with some of the number plates showing they have travelled from other provinces.

Shenzhen's approach of giving preferential treatment to industrial enterprises in its Covid-19 control policies has been widely copied across China, including Shanghai, which remains under strict lockdown as it faces the worst outbreak in the country.