The speakers accused the management side of the unreasonable plan it worked out in November last year to sell off four subsidiary companies to other group. The management side has since been negotiating with the group, they noted.

They called on other workers serving the unethical and immoral enterprise to join the on-going struggle.

Representatives of trade unions sent a joint statement to the management side in demand of a stop to the sale.

Earlier, the workers had a demonstration march.