The SINTTROL PR APP was developed to facilitate communication with the category, quickly, intuitively and in the palms of your hands.Through the application you will have access to Digital Card, Media, Conventions and Agreements, Agreements, News, Services, Institutional, Photo Gallery and etc. In addition, you can fill out your membership form or even make a simple contact with the Union quickly and easily.Help spread the word! It is free! Come and be part of this fight.