【法律依据】：《医疗器械监督管理条例》第二十九条：从事医疗器械经营活动，应当有与经营规模和经营范围相适应的经营场所和贮存条件，以及与经营的医疗器械相适应的质量管理制度和质量管理机构或者人员。

第三十条：从事第二类医疗器械经营的，由经营企业向所在地设区的市级人民政府食品药品监督管理部门备案并提交其符合本条例第二十九条规定条件的证明资料。

In Beijing, the application for a Class III medical device license requires the following steps: 1. Prepare application materials: In accordance with the Regulations on Supervision and Administration of Medical Devices and relevant provisions, prepare relevant application materials, including the business license of enterprise legal person, product quality management system documents, product registration certificate, product technical documents, product operation manual, production license, etc. 2. Self-inspection preparation: conduct self-inspection of the internal