<p>STORY HIGHLIGHTSChina's Huawei is now the world's third biggest smartphone makerThe Shenzhen-based manufacturer has designs on markets outside ChinaU.S, lawmakers worry Huawei products could be hidden channel spies, hackersThe company produces smartphones priced much lower than rivals such as Apple</p><p>Editor's note: Each month, CNN's Kristie Lu Stout sits down with three China experts to discuss what's really driving the world power and economic giant. This month's episode will focus on China's pollution problem. See here for air times for CNN's "On China."</p><p>Hong Kong (CNN) -- Quick question: Who is the world's third biggest smartphone maker?</p><p>BlackBerry? Guess again. HTC? Nope. It's Huawei.</p><p><a href="http://www.cnn.com/2013/05/09/business/china-huawei-smartphones-stout/">Keep reading...</a></p>