Tender For roof bolting in ug by hiring of dgms approved portable hydraulic roof bolting machine with wet drilling arrangement drill 1.50mtr/1.80mtr length hole with 27mm dia drill bit for anchoring 20/22 mm dia roof bolting.... at umaria colliery
Tender For providing of handling ,transport and other mining services - percentage quote based - hiring of crawler-mounted drill machine for drilling of 160mm dia blast holes in coal (with attachment of wet drilling for dust suppression) at manikpur ocm, korba area