with reference to
With reference to your acceptance letter, we would like to get any information concerning payment, your arrival. Hoping to get it by return 依據你的承兌書，我們想要拿到一些你新的付款相關資料。希望得到你的回覆。
With reference to your order no ____________ dated on ____________ ( mm/dd/yyyy ), the order ...
With reference to your request for lead time for each product, I am afraid that we... you please advise the quantity of each product you require, thus we can come up with the lead times.