こう清浄 せいじょう ステンレス こうであれば
kōseijōdosutenresu kōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 高清浄度ステンレス鋼

1. If it were high-purity stainless steel.; If high-purity stainless steel were used.

Ba Conditional