DW551 rock drilling jumbo is applicable in blast holes drilling, anchor holes drilling, cutting holes drilling, advance grouting holes drilling, pipe shed construction, charging, anchor bolts installation, wind pipes installation and other high altitude operations in the fields of mines, hydroelectric power, railways, highways and other fields.

· The highest working altitude is 4000m.
· The temperature of the working environment is from -20° to 45°.
· Can work normally in dusty and moist tunnels and underground environments.
· Tunnel engineering:
1.Tunnel: Blast hole, rock openhole
2.Tunnel: Drainage gas and water
3.Underground tunnel excavation
4.Excavation of single double line tunnel of railway and highway
5.Tunnel gas discharge hole