Drilling reagent “Metapol” grade M
TU U 24.1-24709453-005:2005

Drilling reagent “FHLS-ZR”
TU U 24.1-24709453-010-2011

Drilling reagent “Lignotin-ZR”
TU U 24.1-24709453-010-2011

Drilling reagent “Metapol” grade C
TU U 24.6-24709453-005-2005