Security firm Image Scan says it has won a £1,460,000 for the supply of x-ray security screening systems to an unnamed client.The winning bid means total orders for the year are up to £4.3m although the projected margin is set to fall from previous levels.The chief executive of Image Scan Louise George said:"We are delighted to win another major contract this year as well as a steady flow of smaller orders.  The level of regular order intake and the strengthening lead pipe line demonstrate the effectiveness of the investment in building our sales team in recent years." Shares n the firm rose 21% in morning trading.BS