On July 15, 2020, the ZJD2000/100 crawler reverse circulation rock drill ordered by a customer in Nanjing was successfully loaded and sent to the construction site of the Puyi Bridge Xinhua Interchange Project in Pukou, Nanjing. It is understood that the pile diameter of the project is 1.6 meters to 1.8 meters. The pile is about 70 meters long and 6-8 meters into the strong and moderately weathered tuffaceous sandstone. On the day the equipment arrived at the project construction site, the after-sales service engineer of Zhongrui Heavy Industry also arrived at the same time to prepare for the equipment installation and commissioning.

The ZJD series crawler reverse circulation full hydraulic drilling rig has won the favor of many customers for its high construction efficiency, good site mobility, safe and simple operation and maintenance, and high comprehensive cost performance. The maximum drilling diameter of this series of drilling rigs is 4m, and the deepest depth It is 150m, and can be constructed in rock layers with a hardness of less than 100mPa. It is mainly used for the construction of pile foundations with medium and large diameters, large depths, and complex formations, especially for sand, pebbles and rock formations.