epidemic broke out suddenly in Jiangyin, Jiangsu Province

During the May Day holiday, epidemic broke out suddenly in Jiangyin, Jiangsu Province. Jiangsu province is the largest production base of solid re-PSF in China, mainly located in Yizheng, Suqian, Jiangyin and Wujiang. Among them, Jiangyin is the largest and most concentrated area, accounting for one