Yalanshi mask is a regular manufacturer. The manufacturer of Yalanshi mask belongs to Xiantao Dingcheng Nonwoven Products Co., Ltd., which was established in June 2009 1 1, registered in Liukou Industrial Park, Xiantao City, and its legal representative is Chen Peng. The business scope includes general items: the first kind of medical device production; Sales of first-class medical devices; The masks produced by the second-class medical and health materials and dressings are good masks with sales qualifications and can be sold to the public. Quality is a commodity that has undergone strict quality inspection. So it is a regular manufacturer.