Dong Mingzhu's mask is called: Gree brand mask is officially put on the shelves. According to the inquiry data, the masks independently produced by Gree Electric's Zhuhai Gejian were officially listed in Dong Mingzhu, Gree's official mall. Facing the vast number of consumers by making an appointment to buy, Gree once again used high-quality products to help prevent and control the epidemic. Gree introduced two kinds of masks this time, KN95 disposable mask and disposable medical mask. Both masks adopt three-layer protection design: water-repellent nonwoven fabric, spray-melt nonwoven fabric and hydrophilic nonwoven fabric. Among them, the particle filtration efficiency (PFE) of disposable masks is ≥ 95%, reaching KN95 filtration level, and the bacterial filtration efficiency (BFE) of disposable medical masks is ≥ 95%. In addition, Gree mask also ensures the comfort and freedom of breathing through humanized design such as plastic nose clip, ultrasonic high-quality spot welding and soft elastic ear strap.