June 25, 2025
Pada tanggal 11 April, the "A cement blanket and its preparation method" independently developed by Changsha Jianyi New Materials officially obtained the invention patent certificate issued by the State Intellectual Property Office (patent number: ZL202411084277.7), menandai bahwa kemampuan penelitian dan pengembangan teknologi perusahaan di bidang bahan baru telah mencapai ketinggian baru!