We pleased to confirm our receipt of your letter.As a direct result of raw material prices’ rising and RMB appreciation recently,The prices of Dimer Acid xxx than before
We are delighted to get your email. Because of the raw material price have been raising up recently,and the exchange rate of Renminbi appreciation,so the price of Dimer Acid is higher than before.
I'm glad to hear from you. Due to the appreciation of RMB and price-hiking of raw material, the price of Dimer Acid is xxx than before. 回复的很准确,其余的答案都有语法错误。。。