Lenovo Group Limited is principally engaged in investment holding. It is a personal technology company serving customers in more than 160 countries. The Company is a personal computer (PC) vendor. The Company develops, manufactures and markets technology products and services. Its product lines include Think-branded commercial PCs and Idea branded consumer PCs, as well as servers, workstations, and a family of mobile Internet devices, including tablets and smart phones. It offers a range of commercial desktops and notebooks to businesses of all sizes that feature cutting-edge technology, customer-centric innovation and productivity features. It operates in three segments: China, Emerging Markets (excluding China) and Mature Markets. Lenovo has research centers in Yamato, Japan; Beijing, Shanghai and Shenzhen, China; and Raleigh, North Carolina, the United States.