https://www.zonebourse.com/cours/action/SBT-ULTRASONIC-TECHNOLOGY-159090919/actualite/SBT-Ultrasonic-Technology-Co-Ltd-SHSE-688392-annonce-un-rachat-d-actions-pour-une-valeur-de-100-45906780/?utm_source=telegram&utm_medium=social&utm_campaign=share