Günhan Sondaj Sanayi which is incorporated within our group has successfully completed more than one million meters of injection and drilling works in the dams and ponds in our country since 1974.

Procuring the drilling machinery, injection pumps and equipments from Günhan-Ark Ltd. Şti, Günhan Sondaj Sanayi does not have a difficulty in supplying machinery and equipments for its contracts.

Successfully executing the drilling and injection works of the biggest dam-pond projects of Turkey, Günhan Sondaj Sanayi became entitled to receive DS/EN ISO 9002 quality certificate by developing its production technology and sense of service thanks to its 27-year experience and expert staff.