Warren Buffett's Berkshire Hathaway announced that recently revealed 5% stakes worth a total of $7 billion in five giants: Itochu, Marubeni, Mitsubishi, Mitsui, and Sumitomo.They are the largest "Sogo Shosha" - general trading companies that engage in a vast range of international business activities.The Author, himself, is working for one of them and will be describing what is "Sogo Shosha” in this book.---------------------------------------------------------------------------------------------------------------------------------Chapter I How is the working life in Sogo ShoshaAbout the authorTraining PeriodFirst year : working for a subsidiary Second year : back to head quarterThird year : finally start working as a salesFourth year : Assignment in Singapore Overall : draw freely on a global mapChapter II : What is Sogo ShoshaProfits generating mechanismDigitization with Sogo ShoshaChapter Ⅲ : Future of Sogo ShoshaStrengths of Japanese companiesIt’s a time to utilize the strengthsMission of Sogo Shosha---------------------------------------------------------------------------------------------------------------------------------Chapter 1 describes his experiences over the 10 years since he joined the Sogo Shosha. He wrote as openly as possible, including his feelings back then. He hope that readers will have a more vivid image of working for Sogo Shosha and that this will help them to understand the life in Sogo Shosha.Chapter 2 explains the current situation of Sogo Shosha. He will explain how Sogo Shosha generate profits and how they are responding to the recent wave of digitization, using actual examples. In comparison with Amazon, He will tell you more clearly the position of the latest Sogo Shosha.Chapter 3 explains the future mission of Sogo Shosha. The year 2020 was marked by the spread of a new coronavirus infection and escalating rivalry between the United States and China. He will conclude by talking about what Sogo Shosha should do in such a turbulent age and the future they will create.