In 1993, Tuoren developed the first PVC Endotracheal Tube that filled the blank domestic market. Tuoren has successively developed some patented products in airway management such as Blockbuster Laryngeal Mask, ErgoMask and so on. In WAMM2019, Tuoren will hold a symposium between 12:30-13:45pm on 15 Nov., in which Professor Tian Ming will give a speech of “Slow Anesthesia Induction and Airway Management in Morbidly Obese Patients with Intubating Laryngeal Mask”. Welcome to participate in it.