Modularize design, block package structure, connected with pins between sections

The main characteristic of drilling rig:
1. Modularize design, block package structure, connected with pins between sections.
2. Connected with cardan shaft, easy to install, dismount and deliver.
3. Front opening mast, installed at low position, integrally lifting.
4. Aulixilary driving equipments which are used to lift the mast and deal with emergency cases.
5. Integral chain driving box.