"Qingdao Jinwo Agricultural Equipment Co."is located in Pingdu City, Qingdao, Shandong Province, the company is mainly committed to the development and production of peanut mechanization equipment, especially in the field of peanut combine harvesting has accumulated a lot of experience and data, is the earliest production of peanut combine harvester in the market, but also the only batch production of wheeled peanut combine harvester enterprises. The 4HL-2 peanut combine harvester produced by the company has obtained one national invention patent and has independent intellectual property rights; the product participated in the national star and fire program project and is a key product promoted by the peanut team of the national modern agricultural industry technology system; meanwhile, the product won the second prize of national scientific and technological progress in 2017. The product can complete multiple processes of peanut digging, lifting, conveying, soil removal, fruit picking, cleaning, lifting and bin collection at one time.