DYEING machine maker Fong's Industries says its taxed profits for the year ended March 31 quadrupled to $44.98 million. Earnings per share soared to 15.6 cents from 5.3 cents in the previous year. On a fully diluted basis, they were trimmed back to 13.7 cents. Directors have recommended a final dividend of 5.3 cents a share, against no payout in the previous year. Chairman and managing director Fong Sou-lam said: ''Looking ahead, the group envisages excellent prospects in both sales and production. Baring any unforeseeable circumstances, the group will continue to improve upon its results in the coming year.''