DAP EDC, from the perspective of doctors and general practitioners in pharmaceutical companies, has adopted a zero code, SaaS service system from the beginning. The EDC database that troubles clinical research has become simple from now on! We have applied over 3000 clinical research projects in more than 500 hospitals, and have been in compliance with the third level national public security guarantee for three consecutive years, obtaining ISO9001, ISO20000, and ISO27001 certifications.