Contract content: vegetable greenhouse construction project of Dashun town neighborhood Committee in Shouxian county, and high-standard agricultural greenhouse construction project of Xiang Tao village in Dashun town in Shouxian county; The steel pipe shed covers an area of * * * _, and the length of gravel road is * * * * *; There are * * * blocks in this project, of which * blocks are limited (see the project for details).