The ink industry has had its share of challenges in recent years. Raw material pricing has been a source of much concern, and competition remains fierce in many of the key business segments. However, it is important to remember that the printing ink industry has also been enjoying growth in other areas.     This month, Ink World looks at two of the areas – one a technology, the other a geographical region – where the ink industry has been faring very well indeed.     For the printing industry, t...