The Polyurethane Valley is building a new convention center that is scheduled to open in 2019 as well as a new 600-room convention hotel. However, the town currently has only 7,256 hotel rooms in its 26 metro hotels, according to the Portland Business Journal. That would not be much for a show that attracts 45,000 visitors, even if a good portion of the exhibitor mix is already located there. Portland says 17 ... Log in to view full article.