(1) mechanical land preparation, sowing, intertillage, plant protection and harvesting machinery operations; (2) consolidation of basic farmland, field water supply and drainage, and field transport operations; (3) processing, storage and grain sales of agricultural and sideline products; (4) to introduce new machinery and tools, new technologies and new varieties, carry out training and popularize them. (5) Straw packaging, block pressing and sales. (VI) Post-approval: food processing and marketing, production and sales of substitute tea, roses and condiments.