On March 15th, the three mask production lines imported from Shenzhen by Yongninger Group Co., Ltd. in Nanyang Street, Xiaoshan, have all been officially produced. In the production workshop of Yongninger, light blue masks fell on the conveyor belt, and the employees were skillfully packing and labeling them.

On March 15, 2020, Zhejiang Satellite TV's "News in the Deep" column reported on the production of masks by Hangzhou Jiangnan Shijia Pharmaceutical Co., Ltd.