Researchers demonstrate how to use their device to collect air samples. [Photo/zj.zjol.com.cn]

Hangzhou Zijing Biological Co Ltd, which is based in Qiantang district, Hangzhou, has developed a device to detect the presence of the COVID-19 virus in air.

According to the company, the device is able to collect and analyze air samples within 40 minutes.

The COVID-19 detectors developed by Hangzhou Zijing Biological Co Ltd are on display. [Photo/zj.zjol.com.cn]

Liu Peng, chairman and head expert of the company, said that the device has to be highly sensitive as the concentration of COVID-19 in the air is much lower than that in a person’s mouth or nose.

Li said that it took his company and Peking University eight months to develop the system. The devices are currently being used at hospitals in Beijing and Changchun, capital of Northeast China's Jinlin province.

The devices were also put to use during the Beijing 2022 Winter Olympic Games.