(せい)

せい
suffix
made in, made of
1. made in (country/company)
Indicates where something was manufactured.
この(くるま)日本製(にほんせい)
This car is made in Japan.
2. made of (material)
Indicates the material something is made from.
Leather bags are expensive.
金属製(きんぞくせい)(たな)()った
I bought a metal shelf.

(せい) is a suffix attached to a country, company, or material to indicate what something is made of or where it was manufactured.

ORIGIN (made in/by):

MATERIAL (made of):

OTHER:

GRAMMAR:
Typically used as a noun modifier with の: 木製(もくせい)椅子(いす) (wooden chair). Can also be used as a predicate: この椅子(いす)木製(もくせい) (this chair is wooden).