LONDEN has been committed to efficient and accurate fingerprint matching algorithm and fingerprint sensor development & research. in strictly accordance with the CMM to software research and development. SafeFinger fingerprint recognition algorithm is the significant results of years research. We are used the world's most advanced bioRF fingerprint sensor hardware R & D, it can transmittance finger skin surface sensing inner layer of the skin - the dermis skin texture. After years of research and testing,our hardware and software products have passed CE ,ISO9001and Ministry of Public Security certification authority . wide range of services to the government, banks, businesses, ecommerce, and the field of education.