Costin told a press conference the protest march will start at 12:30 and protesters will march up to the government building.
According to Costin, the unionists request job keeping and concrete labor programs to ensure jobs.
"We are ready to put at the disposal of government a project aiming to create 100,000 new jobs," said Costin, adding there are economic sectors that could create jobs.
Costin added the unionists also request reasonable prices for basic products and services, for all social categories, stressing there is a lot of pressure to increase certain prices, such as electric power prices.