Which is the best mask, UHCOM or Ihuan?

It is not appropriate to compare.

1, Youhekang is a brand registered and established on October 14, 2018 in China Trademark Office.

2, Yihuan medical equipment limited company distributes wholesale disposable protective clothing, disposable masks, temperature gun, disposable cap sells well in the consumer market, enjoys a high status among consumers, the company and a number of retailers and agents to establish a long-term and stable cooperative relations.