16apr 0 1 IndoBuildTech Surabaya 2014 Posted by dusaspunExhibition, NewsNo Comments Dusaspun along with Lisa Concrete Surabaya again joined IndoBuildTech Expo which held at Grand City Mall, Surabaya on April 16 – 20, 2014. Date: 16-20 Apr 2014 Venue: Grand City Mall, Surabaya About dusaspun