Founded in 2014, ZK-BEST (Xiamen) Environmental Science&Technology Co., Ltd.is a national high-tech enterprise established by relying on the technical resources of the Institute of Urban Environment of the Chinese Academy of Sciences, which is a manufacturer of civil high-efficiency and low-resistance PM2.5 protective masks and industrial protective masks/semi-masks, as well as medical protective masks and other medical devices. The company and the Institute of Urban Environment of the Chinese Academy of Sciences jointly established the Environmental Technology Industrialization R&D Center, which is the industrialization promotion platform of the Institute of Urban Environment of the Chinese Academy of Sciences. The company has more than 500 employees, including nearly 100 professional and technical personnel, standardized R & D platform and production base of 11,000 square meters, including 100,000 clean workshop 1,200m², all kinds of R & D, production and testing equipment with a total value of more than 50 million yuan. The company continues to focus on the research and development and production of filter materials and respiratory protection products, and continues to make breakthroughs in high-efficiency and low-resistance nano-filter materials, high-efficiency water electret meltblown filter materials, high-speed automatic mask production and other technical fields, and has obtained more than 20 patents. The company has passed the IS09001 quality management system, IS014001 environmental management system and IS045001 occupational health and safety management system certification, and the company's industrial protective mask products have passed the domestic SINOPPE certification and European CE certification.