Trade union Solidarność organized a referendum in which 438 person out of total 750 employees express their opinion. 412 voted for strike (94%), according to evertiq's information.

'Yet in last year we agreed with the management that salaries will rise by 5.5%. After New Year, we was informed that our remunerations will rise only by 1%. Average salary in the facility come to 1.500 PLN [325 euro]' explains Izabela Będkowska, trade union leader.

The employees expect 15% of increase in salaries this year.