Seven automated mobile nucleic acid testing (NAT) laboratories hit the road on Oct 23 in Lanzhou, capital city of Northwest China's Gansu province.

Lanzhou in Gansu province welcomes seven automated mobile nucleic acid testing laboratories. [Photo/VCG]

These mobile tech labs help improve testing efficiency and block the transmission chain of the virus.

A medical worker works at lab for COVID-19 nucleic acid testing in Lanzhou, Northwest China's Gansu province, Oct 23, 2021. [Photo/VCG]

From Oct 22 to 25, a lab in the province's Zhangye city has completed NAT tests for over 10,000 people.

A medic carries lab supplies for COVID-19 nucleic acid testing in Zhangye, Northwest China's Gansu province, Oct 23, 2021. [Photo/VCG]

Medical worker work at lab for COVID-19 nucleic acid testing in Zhangye, Northwest China's Gansu province, Oct 23, 2021. [Photo/VCG]