Internet Medical Company. By looking at the profile information of Tengfei Health Grand Alliance Co, Ltd, Tengfei Health Grand Alliance is a Chinese internet healthcare company founded in 2015 and headquartered in Beijing, China. The company is dedicated to providing users with a full range of health management and medical services through internet and big data technologies. The company's products include Tengfei Doctor APP, Tengfei Health APP, and Tengfei Hospital System.