A well-known brand in China's protective mask industry, focusing on the technical innovation of anti-fog masks, applied nanotechnology in Beijing Hongtu Tianying Technology Co., Ltd., one of the pioneer technology enterprises in the mask industry ...?
2, 3 meters
1902, established in the United States, is an internationally recognized pioneer in R&D, occupying a leading position in core markets such as medical care/expressway security/office culture/optics, and is a global diversified scientific and technological enterprise.
3. Honeywell Honeywell
(1885, USA, a world brand, a large multinational group with diversified high-tech and manufacturing industries, a Fortune 500 company, Honeywell (China) Co., Ltd.)
4. Youweisi
(1926, Youweis (Guangzhou) Safety Protection Products Co., Ltd., a well-known supplier of personal safety protection products, and a leading brand of goggles industry in the world market)?
5. Bai Yuan
Founded in 1923, it is known as "high-tech daily chemical product manufacturing expert", a famous hot sticker brand, and Baiyuan Household Products (Shenzhen) Co., Ltd.?
6. Kimberly
(1872 was founded in the United States and is one of the top ten brands of masks, focusing on anti-PM2.
5 Infringement and virus threat, multinational enterprise in the global health care field, Kimberly-Clark (China) Co., Ltd.)
7. Yangpu
(Guangzhou Yangpu Medical Technology Co., Ltd., a well-known high-tech enterprise based on independent research and development/innovation and anti-fog mask filtering function)?