Employees of one of the largest contractors in the region, Oil Service Company (OSC), refused to turn up to work at the field of Kalamkas in Mangystau Oblast, a trade union activist Mukhtar Umbetov told Lada newspaper.
As he said, the company management has arrived at the place to find out the strike reasons. For now, it is known that workers are demanding salary increase.
With a personnel of 3000, OSC specializes in full repairing and drilling wells.