The electronics industry is a very competitive segment and is dominated by most other large players. Therefore, smaller players need to grasp the market development strategies to navigate their customer base, strengthen pwn specific after-sales service. If you want to develop a successful electronics chain market, managers need to know who their key customers are and what they will buy in terms of products and after-sales service before developing marketing and advertising strategies. Accordingly, electronics brands are springing up more and more in Vietnam, each offering a different products and after-sales services. As can be seen, electronics chains are heavily dominated by large players. For smaller players, it is necessary to grasp what competitive market factors are, who are the target customers, what they want, where their main needs come from to devise a development strategy to develop the right electronics chain market to navigate its customers.