1. This cable percussion rig is well used for big diameter water well, piling, construction. Diameter max to 2000mm.
2. Such type can deal with diverse underground layer, even bed rock,
3. Woring efficient is low, it is well used in area working labor cost is very cheap. Such type drilling rig can't be replaced, since it has its advantage.
4. No need much drilling skills, easy to operate.
5. Normally, no need too much water to dig a hole.