Huawei, China’s largest maker of telecommunications gear, unveiled the “Ascend” smartphone, touting it as the slimmest on the market as it moves to boost its share on the global consumer market. Huawei unveiled the Ascend smartphones – available in black, white and pink – at the Consumer Electronics Show in Las Vegas. The 6.68-mm thin phone will be available in April 2012 in markets from North America, Europe to Asia and will cost roughly $400, but the final price has not been set, the company said.