旋极信息：北京泰豪智能工程有限公司是公司全资子公司，不属于泰豪集团

Group 1 - The core issue raised by investors is whether Beijing Taihao Intelligent Engineering Co., Ltd. is a wholly-owned subsidiary of the company and the implications of its branding as a subsidiary of Taihao Group [2] - The company confirmed that Beijing Taihao Intelligent Engineering Co., Ltd. is indeed a wholly-owned subsidiary and does not belong to Taihao Group [2] - Taihao Intelligent is authorized to use the "Taihao" brand name legally, leveraging the reputation and resources established by Taihao Group for market promotion [2]