Sandvik has contracts including 21 bolter miners with from the Chinese company Shenhua Shendong.

The value of the contracts is more than SEK300m ($44.4m).

The equipment delivery is scheduled during 2012 and 2013.

Sandvik Mining president Gary Hughes said the company already has 26 units of bolter miners in operation in Shenua Shendong’s sites, and another three units are currently in the process of being delivered.

"By 2013, the Sandvik bolter miner fleet in Shendong will comprise a total of 50 units," said Hughes.

"This demonstrates Sandvik’s capability to provide productive solutions to the coal industry in line with Sandvik Mining’s long term strategy."