英语翻译您好!去年我们曾经和您邮件联系过,我们对贵公司的产品很感兴趣,欲与贵公司合作,希望贵公司给个明确的答复!话语尽量

Dear Madam/Sir,
I still remember we've contacted via email last year.The products of your enterprise attract our great attention,I wonder if we are honoured to cooperate with you.Looking forward to receiving your kindly reply.Don't hesitate to contact us if you have any decision.
Yours sincere ××
date

Hope this finds you well. We have contacted you by emails last year.
We are very interested in your product and would like to cooperate with you. Could you please kindly let us have your comments?

Dear Madame/Sir,
How are you? We are XXX from XXX, China and have contacted with you via mail last year. We are quite interested in your products and would like to cooperate with you. Hope to get your prompt reply!
Sincerely,
XXX
至少我可以保证没有语法、标点、格式上的错误。

Greetings!
We attempted to contact you via email last year. We are very impressed by your products and have sincere interest to cooperate with your corporation.
We look forward to your reply.

Dear Sirs.
How are you?
Do you still remember me? We have contacted with your through mail last year,and we feel very interested in your products. Hope we can establish business replationship.
Awaiting for your kind reply
Tks and best regards