Utilize the input text as a context reference, choose the right relationship between Samsung and shipbuilding from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Daewoo Shipbuilding, the No.3 shipbuilding company, posted the largest operating loss of USD2.6 billion in the quarter, followed by the No.2 shipbuilder Samsung Heavy with USD1.34 billion.

Answer: product_or_material_produced