新余国科(300722.SZ)：子公司曾经有涉及生产烟花爆竹的设备制造及物联网技术，未曾直接生产烟花爆竹

Group 1 - The company Newyu Guoke (300722.SZ) has stated that its subsidiary, Newyu Guoke Special Equipment Co., Ltd., has been involved in the manufacturing of equipment related to fireworks and firecrackers, as well as Internet of Things technology, but has never directly produced fireworks and firecrackers [1]