Riyadh Exhibitions Company will organize here on Sunday the 16th International Exhibition for Building Materials. Mohammed Al-Husseini, the Director General of the Company, said the show will display building materials, air conditioners, heating devices, aluminum products, doors, widows, prefabricated houses, safety and security systems, water treatment systems, solar energy systems, marble and granite products and other items. Al-Husseini noted that more than 150 international companies from 15 countries including 20 Turkish companies, 17 Chinese companies and 11 Korean companies in addition to companies from the Untied Arab Emirates, (UAE), Bahrain, Kuwait, Lebanon, Syria, Egypt, Germany, Brazil, India, Iran, Italy, Taiwan as well as 350 national companies will participate in the show. Al-Husseini expected that hundreds of billions of Riyals are expected to be invested in the contracting sector in the Kingdom of Saudi Arabia within the next five years.