A twin chamber agreement was signed in Cairo today between the Chamber of Commerce and Industry of Makkah and the Chamber of Commerce and Industry of Cairo. Adel Abdullah Alka'aki, Chairman of Makkah chamber and Vice Chairman of the Saudi chambers of commerce and industry, and Abbas Zaki, Chairman of Cairo chamber, each signed for his side. The signing ceremony was attended by a number of delegates from the two chambers. A similar agreement was also signed yesterday between Makkah chamber and Alshargiyah (eastern) province of Egypt.