The accident happened on December 29, 2014 when a gymnasium they were building at Tsinghua University High School, the affiliated middle school of China's prestigious Tsinghua University, collapsed killing ten workers and injuring four others.
Announcing its verdict, the court in Beijing's Haidian District said the construction chiefs instructed workers not to lay steel bars needed to reinforce the concrete structure.
The bars' omission led to the building's collapse, state- run Xinhua news agency reported.
It gave another construction manager a suspended three-year prison sentence.