a: i'm sorry to say that the price you quote is too high. it would be very difficult for us to push any sales if we buy it at this price.
b: well, if you take quality into consideration, you won't think our price is too high.
a: let's meet each other half way.
a: i'm sorry to say that your price has soared. it's almost 20% higher than last year's.
b: that's because the price of raw materials has gone up.
a: i see. thank you.
a: how many do you intend to order?