Beijing CAS Microneedle Technology, Ltd. was registered in May 2018 and is a technology achievement transformation enterprise founded by Dr. Gao Yunhua's research team. It mainly engages in the research and development, production, and sales of polymer microneedle technology and innovative transdermal technology. Beijing CAS Microneedle Technology, Ltd (referred to as "CASMN") is located at the Biomedical Base in Daxing District, Beijing. It is a pilot research and development base covering an area of over 2000 square meters, mainly engaged in the application research and technical services of microneedle technology and transdermal technology in the fields of pharmaceutical preparations, medical devices, and cosmetics, and has the ability to provide CRO project research and development services, We have a pilot scale production capacity of 20 million stickers per year. In October 2019, the subsidiary Chongqing  Microneedle Technology Ltd. (referred to as "Chongqing CAS Company") was registered in Changshou District, Chongqing. It covers an area of over 8000 square meters and is mainly engaged in the research and development and production of innovative transdermal technology products in the field of medical aesthetics. It has built a GMP automated production line with a production capacity of 150 million patches per year, and was officially put into operation in 2021. CAS Microneedle is committed to the development and production service platform construction of internationally advanced and domestically first-class polymer microneedle formulations and innovative transdermal technologies, aiming to provide advanced microneedle transdermal technology solutions for customers in the field of big health.