On Oct. 11th2017, the design criteria for precast segmental concrete bridges passed expert evaluation. The criteria, jointly edited by SunInternational and the Guangzhou Metro Design Institute, are the first of theirkind. The Technology Committee of Rail Transit Standardization (Ministry ofHousing and Urban -Rural Construction) hosted the meeting of experts. The expertsagreed that the criteria are scientific, reasonable, practical and coordinate wellwith existing standards. Further, leaders from the Standards Quota Departmentin the Ministry of Housing and Urban-Rural Construction view the criteria as animportant contribution to the process of national industrialization.