Core Viewpoint - The development of the 620℃ ultra-supercritical steam turbine FB2 high/medium pressure rotor forging by China First Heavy Industries Group Co., Ltd. has achieved international advanced manufacturing technology, marking a significant breakthrough in China's core components for ultra-supercritical thermal power generation [1][2] Group 1 - The FB2 high/medium pressure rotor is a critical component that must operate stably under high temperature (620℃), high pressure, and complex stress environments, which imposes stringent requirements on material performance and manufacturing processes [1] - The technology verification meeting confirmed that the overall manufacturing technology of the rotor forging has reached international advanced levels, with some performance indicators being internationally leading [1] - The project team has mastered the entire thermal processing manufacturing technology, including smelting, ingot casting, forging, and heat treatment, which validates the mass production capability of domestic rotor forgings [1] Group 2 - The industrialization of this achievement is expected to significantly promote China's high-end heavy equipment to the high end of the global value chain, contributing to the construction of a new power system and the realization of the "dual carbon" goals [2] - Experts from major energy companies and academic institutions participated in the verification meeting, indicating a collaborative effort in advancing this technology [2]