Group 1 - The event showcased the "Ten Hundred Thousand" agricultural machinery promotion initiative in Shandong Province, featuring a live demonstration of high-performance seeding machines for grain and oil crops [1][3] - The demonstration included 26 high-performance seeding machines from 11 agricultural machinery manufacturers, highlighting their performance characteristics, application ranges, and operational procedures [3][5] - The new air-blown high-speed seeding machine demonstrated a work efficiency improvement of over 5 times compared to traditional seeding methods, with enhanced precision over air-suction seeding methods [5] Group 2 - The event included a policy interpretation segment where officials discussed the project aimed at upgrading agricultural machinery and promoting high-performance seeding machines [7] - The area of Zhangqiu District has established 855,100 acres of high-standard farmland, with a comprehensive mechanization rate of 97.5% for grain production, making it a national model for full mechanization in major crop production [9] - The air-suction corn seeder achieves a single grain seeding rate of over 99%, with a speed of 10 km/h, potentially increasing yield by over 50 kg per acre [9]