1. Can work with mud pump for soft stratum, such as soil, sand, mud; can work with air compressor for hard stratum, such as gravel, granite, limestone, etc. 

2. Hydraulic control system, easy to operate. 

3. Tractor mounted, very convenient to move from one place to another.

4. Two support legs, ensuring working stability.

ZhengZhou Defy 12 years professional exporting experience, realiable water well drilling machine manufacturer since 1970S.

Defy offer water well drilling machines drilling depth from 100m, 200m, 400m, 600m, 800m and 1500m. with 75-1500mm diameter. geotechnical core drilling machine from 0-3000m depth. 

Spindle rotary type drilling machine, hydraulic rock drill machine, trailer, crawler, truck mounted drilling machine, tractor hole drill machine for your choices. 

1. One year quality guarantee for main machine;

2. Training: operation manual, overseas installation is also available;

3. Spare parts are available in our factory at cost price for former customers;

4. 24 hour on-line guidance for operation and maintenance.