三友化工(600409.SH)：在AI4S方面目前公司不涉及

Group 1 - The company, Sanyou Chemical (600409.SH), announced that its wholly-owned subsidiary, Tangshan Sanyou Electronic Chemicals Co., Ltd., has been included in the Ministry of Industry and Information Technology's "2025 5G Factory Directory" [1] - The smart factory applications of the company involve areas such as information infrastructure, quality control, warehousing logistics, and safety management [1] - Currently, the company does not engage in AI4S (Artificial Intelligence for Services) [1]