Portable drilling machine of Korean style developed
This advanced drilling machine can carry out geological prospecting for different purposes with battery as the source of power. The development of the machine makes it possible to get maximum profits in geophysical exploration, geochemical prospecting and drawing of district geological map.
It was scientifically proved through field introduction that the portable drilling machine fully accords with the international standard in all indices including working speed, energy efficiency and reliability of coring and is of practical value to be introduced into many mines and coal mines across the country.