the whole project costs 19,110,000rmb. the constructon area is about 3753 m2, heavy steel structure, with the length north-south 34.68m, and east-west 108.24m. it has a double lane, 200t upside and 50t downside. steel structure weighs 1300t in total. the workshop is brick wall below 4.8m but colour steel plate above. it’s made of aluminum windows and the roof is large precast concrete roof. the project started on march 3, 2006 and finished on july 2, 2007.