"We will increase the order closing rate for quotations to at least 0%."
- "We will increase the order closing rate for quotations to at least 0%."
"we will increase ~ to at least ◯%" 「〜を◯%以上にします」
"the order closing rate for quotations" 「見積の受注成約率」
"order closing rate" 「受注成約率」
"quotations" 「見積」"quotes" や "estimations" 、"estimates" も使えます。