How about Kaixing Mask?

Caspar mask is better.

Costar mask products are made of new materials for adsorbing and inactivating viruses developed by Dalian Institute of Chemical Physics, Chinese Academy of Sciences. From the outside to the inside, it includes PP non-woven fabric, new material for adsorbing and inactivating virus, meltblown fabric, hot air cotton and es skin-friendly non-woven fabric.

At the same time, masks are produced in large aseptic workshops, which truly realizes the delivery of safe and reliable products to every customer. At the same time, the strict production process and audit standards of Kestar mask are second to none in the industry. Manual sampling is used to monitor equipment operation and product quality in real time, and our quality reputation is realized in details.

Brief introduction of Kestar Company:

Kastar Company is a professional manufacturer of R&D, protective products and environmental protection products. Dongguan Li Han Ultrasonic Machinery Co., Ltd., the head office, has been an R&D and production enterprise of ultrasonic equipment for 20 years, and has a high reputation in the industry. Its products are used in more than 80 countries around the world. Liaoning Kesida Protective Products Co., Ltd. was formally established in Heping District, Shenyang City, Liaoning Province on 20 18. The company is oriented to environmental protection and healthy living. Mainly committed to the research and development, production and sales of labor insurance products, anti-smog, anti-harmful gases and other products. The company serves the general public, and makes full use of nanotechnology combined with the research and development of traditional Chinese medicine materials and the power of technological innovation to promote the industrialization of green environmental protection and new material technology.