1, listening to the sea and the sound of hearing aid business department (Tiantongyuan Beiyuan store) is located in Chaoyang District, Beijing, Lishuiqiao subway station, opposite the A mouth (Ao Bei South District, Building 5, south of the south side of the business scope of sale of respiratory medical equipment.
2. Cornbelt Hearing Aid (Asian Games Village Flagship Store) is located in the basement of Building 1, Tiancuiyuan, Shuangying Road, Chaoyang District, Beijing, and its scope of business includes the sale of respiratory medical equipment.