Core Insights - The "Kuros Leader" vessel, carrying approximately 54,550 tons of ammonium sulfate, has set a record for the largest single shipment export by a single owner [1] - Ammonium sulfate is recognized as an excellent nitrogen fertilizer, beneficial for various soils and crops, enhancing plant growth, fruit quality, yield, and resilience against disasters [1] - The Xiuyu Port area in Putian serves as the largest ammonium sulfate distribution center in the province, exporting goods to countries and regions such as South Africa, Brazil, and Southeast Asia [1] Industry Developments - The port has improved its customs clearance services, implementing a "no-contact" system for vessels and personnel, which has increased operational efficiency [1] - The average time required for vessels from reporting, docking to departure has been reduced by one hour due to the establishment of an intelligent port entrance system [1]