坚朗五金：“阻尼移门缓冲装置及推拉门”取得专利证书

Group 1 - The core point of the article is that Jiannong Hardware has received a patent for a damping sliding door buffer device and sliding door from the China National Intellectual Property Administration [2] - Jiannong Hardware's revenue composition for the year 2024 is reported to be 98.91% from the construction hardware industry and 1.09% from other businesses [2]