On the 14th, the Hyundai Heavy Industries branch of the Korean Metal Workers' Union, the in-house subcontractor branch, and the Ulsan Immigrant Center are holding a press conference at the Ulsan City Hall Press Center to announce the membership of about 200 migrant workers in the union and to urge an end to discriminatory treatment against them. Provided by the Metal Workers' Union On the other side of the boom in the shipbuilding industry, migrant workers who have filled the structural manpower gap have joined the labor union in large numbers, demanding improvements in unequal working conditions and treatment.