Dr. Zhang Keqiang is a Researcher (Level 2) at the Agro-Environmental Protection Institute of the Ministry of Agriculture and Rural Affairs. He serves as Senior Chief Scientist of the Ministry's Innovation Team for Livestock and Poultry Pollution Prevention, Director of the Key Laboratory of Toilet and Wastewater Treatment Technology of the Ministry of Agriculture and Rural Affairs, a member of the Academic Committee of the Chinese Academy of Agricultural Sciences, and academic leader of Tianjin's "131" Innovative Talent Team. He has been selected as one of the first Shennong Leading Talents, National Outstanding Agricultural Research Talent, and a CAAS Innovative Leading Talent, and is a recipient of the State Council Special Government Allowance, National Advanced Worker, and Tianjin Model Worker awards. With over 30 years of dedication to agricultural environmental protection, Dr. Zhang has focused on key technologies and equipment for coordinated manure reduction and resource utilization in response to the challenges of difficult livestock waste treatment and serious pollution. He has led the formulation and revision of the national standard "Technical Specification for Livestock and Poultry Manure Returning to Field," as well as three industry standards and 27 local standards. His research achievements have been widely applied in the Beijing-Tianjin-Hebei region, with academicians and experts rating them as internationally leading, driving the green transformation of agriculture and animal husbandry. He has led more than 30 provincial/ministerial-level projects, including National Key R&D Program projects under the 13th and 14th Five-Year Plans and National Natural Science Foundation projects. As first completer, he has won nine provincial/ministerial awards (including four first prizes). As first/corresponding author, he has published 136 academic papers, including 84 SCI papers with a cumulative impact factor of 775.6, an H-index of 33, and 2,929 total citations. He holds 24 granted invention patents (as first or second inventor) and has published nine books (as editor-in-chief or associate editor).