Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world. Every time you've swiped the screen on a new iPhone or entered keystrokes on your Galaxy, you may have helped make Yeung is the founder and chief executive of Hong Kong-based Biel Crystal Manufactory Ltd., one of the biggest suppliers of cover glass to Samsung Electronics Co., the world's two leading smartphone manufacturers.