The sales work in the communications industry can refer to the following directions: 1. Network communication equipment: including optical fiber, wireless communication, network security equipment, etc. These devices were widely used in the Internet, e-commerce, finance, medical and other industries, so the demand for sales in these industries was high. 2. Mobile communication equipment, including mobile phones, wireless base stations, etc. With the popularity of smart phones and the continuous upgrade of mobile networks, the mobile communication equipment market has maintained a good growth trend. 3. Teleportation equipment, including Teleportation switches, Routers, etc. With the popularity of home wireless and the development of cloud computing, the market for mobile devices was also showing a good development trend. Sales in the communications industry required strong market analysis, communication, and problem solving skills. If you are interested in this, I suggest that you start from the above directions to accumulate experience and continuously improve your abilities. At the same time, the fierce competition in the communications industry required continuous learning and improvement of their professional knowledge and skills in order to maintain a competitive advantage in the industry.