HZ-145YY drilling rig is mainly used for geological general investigation and exploration, road and tall building foundation exploration.
HZ-131YY drilling rig is mainly used for geological general investigation and exploration, road and tall building foundation exploration.
HZ-133YY drilling rig is mainly used for geological general investigation and exploration, road and tall building foundation exploration.
HZ-135YY drilling rig is mainly used for geological general investigation and exploration, road and tall building foundation exploration.
HZ-137YY drilling rig is mainly used for geological general investigation and exploration, road and tall building foundation exploration.
HZ-139YY drilling rig is mainly used for geological general investigation and exploration, road and tall building foundation exploration.
HZ-141YY drilling rig is mainly used for geological general investigation and exploration, road and tall building foundation exploration.
HZ-143YY drilling rig is mainly used for geological general investigation and exploration, road and tall building foundation exploration.
