Zytronic, a maker of touch sensors and optical filters, said pre-tax profit rose 22% in the year ended 30 September 2011 and added it was pleased with current levels of trading.Group revenue increased £20.5m in the year to end-September from £18.5m the same time a year before. Pre-tax profit increased 22% to £3.6m during the year.Touch product sales, which now account for 70% of group revenue, surged 38% to £14.2m. EPS increased by 23% to 18.3p.Chairman Tudor Davies said, "We have been encouraged by the progress that we have made during the past financial year in our touch product sales, and are also pleased with levels of current trading, and the increasing market acceptance of our touch products that should enable further progress in creating shareholder value."A final dividend of 5.6p has been offered, up from 5p in 2010 taking the total for year to 7.7p compared to 7.0p before.--cj