Good day! We are glad to write to you. We are a domestic senior medical device company, Guizhou Kelsi Medical Equipment Co., Ltd., with 12 mask production lines and a daily production capacity of more than 1 million, covering disposable protective masks, medical surgical masks, kn95 masks and children's masks. The company has medical standard production of pharmaceutical enterprises, 100000 class clean environment workshop manufacturing, green channel access of anti epidemic enterprises, product quality improvement, and strive to work together with made in China to help global anti epidemic. If you are interested in our products, you can search our website for more information! Contact us at any time!