D-Link, a network company, has already focused in brand management and the international division was successfully cultivated D-Link brand in the worldwide markers. In ten years, the revenue raise from USS 8 million to US$ 400 million and net profit raise from 30 thousand to 28 million U.S. dollar. However, D-Link should not only face difficult challenges continuously, but also should conquer hardships again and again. This paper presents some details in business administration for transnational enterprises. In cultivating Brazil markets for D-Link as an example of this case study, this paper not only investigates marketing strategies, human resource management, and value chain issues but also concerns nationality and culture issues, since enterprises must face for transnational business administration. So, this case study will develop comprehensive business issues concretely and discuss these issues in depth. By way of this practical case study, it will extend the space of thinking for academic investigation and discussion except sharing contents of this case study. In addition, by introducing this case, readers will realize how D-Link solves issues while facing all kinds of challenges through mutual discussions, and then exploit these new markets. Thus, D-Link gains insights in establishing an international brand without occasion.