In 2012, Wooju Mulsan has been concentrating on the government project of measuring and improving indoor and outdoor air quality and developing products that are good for breathing. We launched the first air quality meter in Korea, and have invested heavily in R&D in the early stages of our business, investing in product development and future food business. In addition, when the MERS epidemic that struck the world in 2014 broke out, we have been developing products to eliminate the virus, acquiring patents, and striving to become a global company. As a result of intensive investment in R&D for more than 10 years, our product “Virus Barrier Plus” is a product of our company to prevent a virus that has hit the world in 2020 and has paralyzed enormous lives and property and all global systems due to the current epidemic Corona 19 (COVID-19). Virus Barrier Plus is provided not only in Korea but also worldwide. It has already been recognized for its reputation in various institutions through the acquisition of a patent in 2015, US FDA OTC, European CE, and various certifications and experiments, taking a preemptive role in this epidemic situation. was able to respond. Now, with our products, government agency employees, hospital officials, overseas travelers, school students, corporate employee welfare cards, airport employees, hypermarket employees, and children and the elderly who are vulnerable groups, etc. It must be worn around the neck to maintain a healthy lifestyle.