On April 8, 2020, two ZJD3500/250 large-diameter full hydraulic drilling rigs ordered by a customer of China Coal Special Chisel were successfully loaded and sent to the construction site of the Huhang Metro Project in Tonglu County, Hangzhou. It is understood that the two equipment will be used for the construction of the Huhang Railway Crossing Fuchun River Bridge Project. The pile diameter is 2.8 meters, the pile depth is about 35 meters, and the rock penetration is about 30 meters.

When the equipment arrived at the site, the company's after-sales service personnel had arrived at the construction site at the same time to prepare for the installation and commissioning work. At present, the installation of the second equipment is being carried out in an intense and orderly manner.

The Lake-Hangzhou Railway is a high-speed rail line introduced from the north-south direction of Hangzhou West Railway Station. The project will create an important node project of the "Yangtze River Delta on the track" and an important transportation supporting project to ensure the 2022 Hangzhou Asian Games. The project construction is essential for the implementation of the Yangtze River Delta To develop the national strategy and the “Four Major” development strategies of Zhejiang Province, further optimize the province’s fast passenger transport channels, enhance the status and capabilities of the Hangzhou railway hub, build a world-renowned city with unique charm and unique charm, and create a new era of socialism with Chinese characteristics. The important window is of great significance.