抚顺特钢：公司与上海电气核电集团有限公司已经密切合作多年

Group 1 - The core viewpoint of the article is that Fushun Special Steel (600399) is actively engaging with Shanghai Electric Nuclear Power Group Co., Ltd. to explore deeper cooperation opportunities [1] - Fushun Special Steel has had a close partnership with Shanghai Electric Nuclear Power Group for several years, indicating a long-term collaborative relationship [1] - The recent visit by Shanghai Electric Nuclear Power Group was aimed at understanding Fushun Special Steel's recent production status [1]