The fabrication of 15-15Ti and FMS irradia-tion facility simulators used for hydraulic charac-teristic experiment was initiated right after the design was completed in 2013.Sichuan Huadu Nuclear Equipment Manufacture Co.,Ltd.(HNEM)was selected as the supplier.Before fabrication,technical files were carefully reviewed by relevant experts and techni- The fabrication of 15-15Ti and FMS irradia-tion facility simulators used for hydraulic charac-teristic experiment was initiated right after the design was completed in 2013. Sichuan Huadu Nuclear Equipment Manufacture Co., Ltd. (HNEM) was selected as the supplier. Before fabrication, technical files were carefully reviewed by appropriate relevant and techni-