Monday to Friday 9: 00 am to 5: 30 pm. According to relevant information, Miyun District, which belongs to Beijing, is located in the northeast of Beijing. The cable business office outlets in this area are open from Monday to Friday, from 9 am to 5: 30 pm. This place belongs to the junction of Yanshan Mountains and North China Plain, and it is an important gateway for North China to Northeast China and Inner Mongolia. Therefore, it is known as the "key to the capital" and is an important drinking water source base and ecological conservation area in Beijing.