Gelonghui December 4th | Guangdong Dongpeng Holdings (003012.SZ) announced that the company and its subsidiaries have recently obtained 11 invention patent certificates issued by the National Intellectual Property Administration. The patents include a ceramic tile decoration production system that can uniformly spray ink on fabrics, a self-cleaning antique brick, and its preparation method, etc. As of the date of this announcement, the company, its subsidiaries, and affiliated companies have a total of 1466 valid patents of various types, including 402 invention patents.