noun
custom-made article; specially made product
Refers to an item manufactured to order or for a specific purpose, not mass-produced. Often used in commercial or industrial contexts.
この家具はすべて特製品です。
All of this furniture is custom-made.
特製品の部品が必要な場合は、お問い合わせください。
If you need specially made parts, please contact us.
既製品 is a ready-made or off-the-shelf product, the opposite of 特製品.
Compound of 特 (とく, 'special') + 製 (せい, 'made') + 品 (ひん, 'article'). The reading is standard on'yomi.