Grid-style social management in China was first mentioned in Shanghai in 2004. promoted by then
Shanghai CCP Committee Secretary Chen Liangyu. The China National Grid project (CNGrid) was first implemented as a trial in
Dongcheng District, Beijing in 2004, and coincided with the abolition of the agricultural tax in 2004 which reduced the power of local governments in China. The pilot project was launched in the Dongcheng District, where the district's 205 communities were subdivided into 589-part grid. 120,000 community watchers were enrolled. In December 2005, the authorities launched the China Grid Computing Center was officially formed to lead and manage the CNGrid. Eventually, test watchers were equipped with mobile devices designed for reporting and communications. Authorities also started to apply a multi-layer model in areas with denser populations. During the pandemic, Chinese authorities revealed more than 4.5 million grid workers were engaged in implementing the quarantine rules. == Functions ==