Lenovo third-largest computer maker worldwide by volume. In regards to the purchase of IBM's personal computer division, Liu Chuanzhi said, "We benefited in three ways from the IBM acquisition. We got the ThinkPad brand, IBM's more advanced PC manufacturing technology and the company's international resources, such as its global sales channels and operation teams. These three elements have shored up our sales revenue in the past several years." IBM acquired an 18.9% shareholding in Lenovo in 2005 as part of Lenovo's purchase of IBM's personal computing division. Since then, IBM has steadily reduced its holdings of Lenovo stock. In July 2008,
ThinkPad X series to be available in the UK on June 7, 2011. The specifications of the ThinkPad X1 laptop are given below: The ThinkPad X-series laptops released in 2012 by Lenovo were the X1 Carbon, X131e, X230 and X230t (tablet). In the T, W, and L series the models Thinkpad T430, T430s, T530, W530, L430 and L530 were also released. In early August 2012, Lenovo released the ThinkPad X1 Carbon announced on .<ref name="release X1 Carbon,X230,X230t,T430,T430s,T530,W530,L430,L530,Series 3/USB 3.0 Dock"></ref> The X1 Carbon weighs 1.35 kg, has a battery life of roughly eight hours, and has a start-up time of less than 20