Is the correction mask a regular brand?

Yes According to Aiqi, the modified mask belongs to Tang Qiu Information Technology Co., Ltd.. Henan Tang Qiu Information Technology Co., Ltd. is registered in Lingui District Market Supervision Administration of Henan Province and has a formal business license. It belongs to a regular company, and the modified mask under its name is also filed with the Food and Drug Administration, so the modified mask is a regular brand.