国こく内ない製せい

noun which may take the genitive case particle 'no'

domestic; made domestically

Used to describe products manufactured within the country, often in contrast to imported goods.

• この車くるまは国こく内ない製せいです。

  This car is domestically manufactured.

• 国こく内ない製せいの部ぶ品ひんを使つかっています。

  We use domestically produced parts.