純じゅん国こく産さん

noun which may take the genitive case particle 'no'

entirely domestically produced; 100% domestically made

Used for goods, food, or products made entirely within Japan, often with a nuance of quality or safety. Commonly appears as a modifier before nouns.

• この車くるまは純じゅん国こく産さんです。

  This car is entirely domestically produced.