A concrete world

摘要

When World of Concrete was first introduced to the commercial construction industry in Houston, Texas, US, in February 1975, it presented 77 exhibiting companies in 2,000m2 of exhibition space, with 1,550 attendees. Over the past 43 years, the show has grown to include 1,500 exhibiting companies and 55,000 registered industry professionals in an exhibition space that covers a total area of more than 67,000m~2. World of Concrete has also come to offer 90-minute and 3-hour seminar sessions, and more than 150 skill-building seminars.