Awwal 25, 1432, Feb 28, 2011, SPA-- The Deputy Chairman of the Chamber of Commerce and Industry in Jeddah Mazen bin Mohammed Batterjee opened here on Sunday evening The Exhibition of Building and Construction 2011 with the participation of 220 companies from 25 countries around the world. In a statement, Batterjee pointed out that the Exhibition aims to attract major investment opportunities in the field of building and construction, noting that the Exhibition is attracting architects, engineers, contractors and directors of construction projects.