With the revolution of modern technologies, especially smartphones, the growth of the communication devices market is changing nowadays. Competition levels are increasing both locally and internationally. This competition affects not only innovation and production, but also marketing and demographic markets. Not only the United States, but other countries such as Korea and China are opening up and growing economically, making them among the most active in the smartphone market. There are 3 countries at the top in smartphone market share, USA, Korea and China. The Korean company's dominance in the global smartphone industry pushes US and Chinese companies to expand their smartphone market. This affects business internationally such as economic growth, international trade, technological advancement, etc. In China, smartphone companies such as Oppo, Lenovo, Xiaomi, start to grow and compete in the smartphone market around the world. With the increase in sales of Chinese smartphones around the world, now China has a greater impact in every aspect of international business, so it begins to dominate international trade...