MINISTER OF COMMERCE AND INDUSTRY DR HASHIM YAMANI WILL OPEN HERE TOMORROW "PRINTING, PLASTIC AND PETROCHEMICALS, EXPO-2007." THE FOUR-DAY SHOW IS ORGANIZED BY RIYADH EXHIBITIONS COMPANY. DEPUTY DIRECTOR OF RIYADH EXHIBITIONS COMPANY MOHAMMED AL-HUSSEINI SAID THE ORGANIZATION OF THE SHOW WILL PROVIDE A GOOD OPPORTUNITY TO BUSINESSMEN AND INVESTORS TO CONCLUDE DEALS AND ESTABLISH COMMERCIAL RELATIONS. HE POINTED OUT THAT 580 COMPANIES FROM 11 COUNTRIES, INCLUDING TAIWAN, ITALY AND AUSTRIA, WILL PARTICIPATE IN THE SHOW.