To promote environmental sustainability and implement green procurement, TKU purchases software and hardware equipment, consumables, and construction engineering materials. Priority will be given to manufacturers that provide the five green label products including environmental protection labels, energy-saving labels, water-saving labels, green building materials labels, and carbon labels. Vendors that have not obtained the environmental protection related mark or certificate number may follow the ISO50001 college energy management manual specifications, the purchases, products, and equipment each unit utilize or purchases may have a significant impact on the energy performance of campus operations, thus, establishing evaluation standards, implementing standards for energy use, consumption, and efficiency during the life of the plan or expected operation is extremely important. Units must inform the supplier when purchasing, implement the environmental ecological economics of the product life cycle, and practice the consistency of the environmentally friendly concept.