The steel structure construction of Changsha Meixi lake International culture and art center project which the steel usage amount be next only to "bird's nest" reached high tide with 22000 tons of peripheral. This marks the most difficult of the steel structure project of this year should complete the on-site assembly, hoisting and installation tasks from April to September. It is reported that the project has purchased nearly 10000 tons of steel so far. Including the engineering of rigid columns, the roof truss beam of theatre, the Dragon King steel bridge has been purchased more than 8000 tons, the picture shows the project of the little theatre project is entering the stage of hoisting and welding of the two layers of steel structure.