Recently, the tunneling of the Yangshan Tunnel in Section III of the Qusong segment of the second phase of the Quzhou-Lishui Railway successfully surpassed 3,160 meters, marking important phased progress in the railway's construction.

The starting point of Section III of the Qusong segment of the Quzhou-Lishui Railway is located in Yaoshan Village, Donghua Subdistrict, Longyou County, and the endpoint lies outside Pailing Village, Beijie Town, Suichang County, Lishui City. The main line has a total length of 27.512 kilometers and a design speed of 200 km/h (with 250 km/h reserved). It mainly includes 10 subgrade sections, 16 bridges, and 8 tunnels.

As a key section of the second phase of the Quzhou-Lishui Railway, this section connects important nodes between Quzhou and Lishui, and its construction progress is directly related to achieving the goal of opening the entire line to traffic.