Since May 2016 "medical masks" project, the company attaches great importance to product development design work, completed in November 2016, 3 months earlier than planned to complete the task; in January 2017 to the Sichuan provincial food and Drug Inspection Institute submitted a "medical masks" declaration registration inspection commission registration, and obtained the registration inspection report issued by Sichuan provincial food and drug inspection and registration of words pre evaluation opinion on March 2, 2017 (pre evaluation for all pass, no inspection items).

In March 8, 2017, the company filed a "medical masks" registration information to the Sichuan provincial food and drug administration, data through a one-time window acceptance, has entered the review center for safety risk assessment section.