KN95 Disposable Protective Face Mask Single Valve 5 Plys Non Woven

Founded in 2011, Signo is a high-tech enterprise specializing in the development, production and sales of in vitro diagnostic reagents.
The company has established a strict quality management system and passed ISO9001: 2015 and ISO13485: 2016 international quality system certifications.

It has advanced international fully automatic production equipment, and the workshop is designed in strict accordance with standards and has reached 10,000-level purification standards. Signo has strong biotechnology power, and currently has more than 60 independent intellectual property rights, including 2 invention patents, and undertakes many provincial and municipal science and technology innovation projects.The products are mainly related to microorganisms / clinical reagents, medical equipment / robots, biochemical diagnostic reagents and so on. Signo's corporate purpose is to care for human health, develop a magnificent career in medical technology, and achieve a successful life. Guided by the ingenious product concept of pursuing perfection, the company is committed to providing disposable medical microbial culture media.The company continuously improves technology and develops new products according to market needs, and makes every effort to meet customer needs.