gèng qīng chǔ de xiě fǎ shì xiǎng gēn jìn yī xià bào jià dān fāng biàn jīn tiān xià bān qián què rèn ma

更清楚的写法是：“想跟进一下报价单，方便今天下班前确认吗？

A clearer way to write is: 'I'd like to follow up on the quotation; is it convenient to confirm before leaving work today?'