Almost 200 workers in Manchester are to go on strike in a dispute over pay.
The GMB union members at Polyflor, a manufacturer of vinyl floorcoverings headquartered in Whitefield, will take part in industrial action on Wednesday, September 7.
The move comes after GMB said its members had rejected the company's final pay offer.
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The union has also hit out a message from Polyflor to its workers asking them to not turn up for their shifts this week.
GMB said the request for process workers to not turn up for their shifts was a "vindictive attack".
Polyflor declined to comment when contacted by BusinessLive. The company also has a Greater Manchester base in Oldham.
GMB regional organiser Stephen Boden said: "GMB has written to the company demanding an explanation.
"This looks like a vindictive attack on workers due to take legitimate industrial action over pay.
"GMB members are struggling with the cost-of-living crisis, all they are looking for is a fair settlement of a 10 per cent - which is still below inflation.
"GMB is encouraging bosses to get back around the table and enter meaningful negotiations to bring the dispute to a close."
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