Golding Contractors, a unit of Australia's NRW Holdings (NWH.AX), will provide mining services at resources firm Stanmore SMC's South Walker Creek (SWC) mine in Queensland for a total of A$1.6 billion ($1.06 billion), sending shares to an over 12-year high.

Contract mining services provider, NRW, saw its stock shoot up as much as 3.2% to A$3.86 on Tuesday, its highest since early May, 2012.

The mining services deal, which is for a five-year term and commences in January 2026, will employ around 650 workers at the mine.

NRW's order book will jump to its highest level of A$7 billion after the deal with coal miner Stanmore Resources' (SMR.AX), Shares of Stanmore Resources gained as much as 2.9%.

Under the agreement, NRW will maintain and operate eight fleets of heavy mining equipment to remove overburden and mine steel-making coal consistent with current contractual arrangements.