Under the patronage of the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud, Prince Faisal bin Bandar bin Abdulaziz, Governor of Riyadh region will open the 15th Trade Exhibition of Member States of the Organization of Islamic Cooperation (OIC) to be organized by the Ministry of Commerce and Investment here on May 22-26 in collaboration with the Organization, Islamic Centre for Development of Trade and Council of Saudi Chambers. Advisor to Minister of Commerce and Investment and the Ministry's official spokesman Turki Al-Toaimi expressed his deep thanks and appreciation to the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud for his patronage and interest in the Islamic Trade Exhibition, appreciating what is enjoyed by the commercial and investment sector from the King's special care and attention.