Qianjin Weir is located on the outskirts of Fuzhou City, Jiangxi Province. It is an ancient water conservancy project at the diversion junction of the Fu River and Ganggan River. Operating in coordination with the Zhongzhou Embankment Irrigation and Drainage Project, it forms a complete ancient water conservancy irrigation system and is known as “the Dujiangyan of Linchuan”. Having undergone construction and maintenance across the Tang, Song, Yuan, Ming dynasties and the Republic of China period