The sector in Wales, whose largest export trading partner is the EU, has been hit hard by the UK/ EU Trade and Co-operation Agreement (TCA) which came into force January 1 this year.
Mae'r sector yng Nghymru - ei bartner masnachu allforion mwyaf oedd yr UE - wedi cael ei daro'n galed gan Gytundeb Masnach a Chydweithredu'r DU/UE a ddaeth i rym ym mis Ionawr eleni.