Hainan Prefecture in Qinghai can start working at that time.

What you want to ask is when can Hainan Prefecture in Qinghai start construction? In 2023. According to official website, the Urban Construction Bureau of Qinghai Province, on March 23rd, the commencement ceremony of the centralized opening and resumption of projects in Qinghai Province and the commencement ceremony of China Power Construction 1000MW Photovoltaic Photothermal Project were held in Taratan County, Hainan. Therefore, Hainan Prefecture in Qinghai can start construction on March 23, 2023. Hainan Prefecture of Qinghai Province is located in the east of Qinghai Province, bordering Haidong and Huangnan Prefecture in the east, Haixi Prefecture in the west, Guoluo Prefecture in the south and Haibei Prefecture in the south.