On June 26, 2022, in Zhengzhou Longfeng Agricultural Machinery and Equipment Manufacturing Co., LTD., Shangqu District, Zhengzhou City, Henan Province, more than 100 agricultural machinery dealers and user representatives, under the high temperature of more than 40 degrees Celsius, followed the lecturers of Longfeng enthusiastically to visit the factory and the main agricultural machinery and tools products such as hydraulic tilting plough, power driven rake and electric seeder.