Stephen Matthews, a worker at Remploy in Merthyr Tydfil joined his co-workers on the picket line as they protested against the factory's closure.
"This fight today is all about getting a fair package and a fair deal. Merthyr is one of the most deprived areas of the country so they all need a little bit of backup," Mr Matthews said.
A former Remploy worker has built himself a positive future, setting up his own business.
A private bid to save the Wrexham factory has been rejected by Remploy bosses.
Disabled workers at Remploy sites in Wales take industrial action following a UK Government decision to close or sell-off factories.