1in the past years,you should not give us any order .
2You could not adhere to your request.
3put our goods compared with that of other bfirms(这个单词不知道什么意思,是不是拼错了?)
4You would influence a full settlement of our claim.
把can must will改成could should would等等,这样语气听起来委婉一些,更有礼貌,更容易让人接受.