China Builds a 10-Story Building in Just 28 Hours A Chinese construction company stunned the world by assembling a 10-story residential building in just 28 hours, using advanced modular construction techniques. Instead of building floor by floor on-site, pre-fabricated modules were manufactured in factories and rapidly stacked into place. This method drastically reduces construction time, labor costs, and material waste while maintaining structural strength. Important Details: • Completed in app