Allied Counties GPMU branch secretary Davy Edmont said that workers were still shocked and angry at yesterdays announcement.
Meetings are on-going. We also plan to meet with [Stormont] government ministers next week to see if anything can be done, said Edmont.
He added that the company had struggled to compete with rivals who were sourcing their products from places like India.
The company, which was founded more than 100 years ago, specialises in educational stationery and makes the RHINO brand.
Under the plans a head office would be retained in Belfast to deal with administration and IT.
by John Davies
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