Group 1 - The core point of the article is that Dongpeng Holdings' subsidiary, Dongpeng Sanitary Ware, has received a certification report indicating that its smart toilet products meet the highest grade AAAA standards as per the national standard GB/T44460-2024 [1] Group 2 - Dongpeng Sanitary Ware's products include the Muyu series Z105 (Z105-CF), Muyu series Z104 (Z104-AF), Zhiduoxing w9561S (w9561SF), and Zhuimi w8531 (w8531F) [1] - The certification was issued by the Beijing Building Materials Testing Research Institute [1] - The certification reflects the company's commitment to quality and compliance with national standards in the sanitary ware industry [1]

Core Viewpoint - Dongpeng Holdings' subsidiary, Dongpeng Sanitary Ware, has received a certification report indicating that its smart toilet products meet the highest standards of the national quality grading guidelines for sanitary ware [1] Group 1 - Dongpeng Sanitary Ware's products include the Muyu series Z105 (Z105-CF), Muyu series Z104 (Z104-AF), Zhiduoxing w9561S (w9561SF), and Zhuimi w8531 (w8531F) [1] - The certification was issued by the Beijing Building Materials Testing and Research Institute [1] - The products comply with the national standard GB/T44460-2024, achieving the top grade of AAAAA [1]