自じ社しゃ製せい

noun which may take the genitive case particle 'no'

made in-house; made by one's own company

Used to describe products, parts, or software developed and manufactured internally rather than outsourced.

• この部ぶ品ひんは自じ社しゃ製せいです。

  This part is made in-house.

• 自じ社しゃ製せいソフトウェアを導どう入にゅうした。

  We introduced software developed in-house.