
The incident took place on Thursday in Mastung town.
A police official confirmed that the attack took place at a time when the security personnel were changing at the checkpost and the armed militants snatched guns, ammunition, wireless sets and motorcycles before putting equipment in the cement factory on fire.
The armed militants had escaped well before security personnel reached the scene.
However, there were no casualties in the attack, sources said.
He said on Thursday armed militants suspected of being members of outlawed separatist groups had also carried out a similar operation in Khuzdar which is located in a remote area of the Balochistan province.