速度求一封英文还盘函,要求如下：1 阐述我方报价理由； 2 竞争应以质取胜,而非低价竞销.并说明理由； 3

Dear .
how are you doing?
in reply to your letter dated on...we would like to put forward our updated quote as below.
(写报价,和简要报价信息)
Comparing with last round,we incresed...(写你加价的地方)...due to the ...(原因,比如说labour rate increase,material cost,or technology improvement)...
we believe quality is the key point in competition,and a product with good quality will lead to a relatively competitive market share.Therefore,the quality is always the top concern in our company.
第三点你没说完啊,不过差不多就是这些了