Zhao Yanhua, male, born in 1973 in Shijiazhuang, Hebei Province, is a senior expert in pharmaceutical production and agricultural technology. Graduated from Hebei University of Science and Technology with a major in Chemical Engineering in July 1994; From July 1994 to 2005, worked as a production and research and development engineer at Hebei Weiyuan Biochemical Co., Ltd; From 2005 to 2008, served as the head of the technical department at Hebei Sannong Agricultural Chemical Co., Ltd; In 2008, Teacher Zhao Yanhua officially joined Shijiazhuang Shentai Chemical Co., Ltd. and currently serves as the Production Director of the company's Production Department and Senior Technical Consultant of the Marketing Headquarters.

 In the past 20 years of professional technical work in plant protection, Professor Zhao Yanhua has been engaged in scientific research, production, and promotion of plant protection, and has conducted special technical lectures, experimental observations, and application technical guidance throughout the country. Over the past 20 years, Professor Zhao Yanhua has gained unanimous recognition in the industry for his noble character and profound level, and many industry insiders have revered him as a "teacher".