On June 16, 2021, Sanrui Agritec held the Sunflower Quality Improvement & Scale Prevention Seminar. The regional distributors, plant protection service stations (cooperatives) of the entire city, researchers of Academy of Sciences, marketing and agricultural service team and relevant personnel of Sanrui Agritec attended the seminar. The sunflower quality improvement service project of the city started. Zhang Yongping, Chairman of Sanrui Agritec presided over the seminar.