BOSI is a subsidiary of Sellers Union Group, a large multinational, which was founded in 1997 and holds more than 20 subsidiary corporations. Within nearly 30 years of exploration and evolution, Sellers Union Group has gradually developed into an import and export company with the daily consumer goods as the bedrock. Nowadays, it has established stable trade cooperation with almost 2000 foreign customers from more than 120 countries and regions around the world. As one of the subsidiary of Sellers Union Group, BOSI, as a reputable manufacturer and supplier of thermal insulated vacuum flask, tumbler, coffee mug etc. in China, targets at high-and-mid consumers, and mainly engaged in the research, design, manufacture, branding, import and export of vacuum bottles. BOSI always adheres to the independent research, standardized management and systematic quality assurance of products, concentrating on the unique and fancy styles of design.