NINGBO OUHAN MEDICAL DEVICE CO., LTD.. (Referred as "Ouhan Medical") was established in February 2020, but early in 2009, Ningbo Xihe Children's Products Co., Ltd., owned by the company's chairman Yang Yong, has already produced medical surgical masks in Chile, South America and own a mask production line. After the outbreak of the COVID-19 in China, the company immediately started the mask production line to contribute to the control of the COVID-19. Ouhan Medical was founded in February, focusing on the production of surgical masks and obtained the production license of Class II medical instrument. At present, Ouhan Medical has 10 advanced automatic production lines, including 2 lines for KN95 masks. Besides, daily output of disposable medical masks and KN95 masks reaches 1200000. The company regards quality as the life of the company. It has obtained ISO 13485:2016 Medical Device Management System Certification, EU CE Certification and US FDA Certification. It implements full-scale, full-process, full-process quality control and strict quality post responsibility system to ensure products quality. In the event of a global epidemic, the company's products have been sold to USA, Japan, South Korea, Canada, Australia, Europe and other countries to alleviate the urgent demand in epidemic materials.