去年发了几封开发信，结果收到好几个回复。
去年开发了一个产品， 然后就在网上搜客户，发了3封开发信，收到两个回复。给大家分享一下吧。
Dear Sir/Madame
Nice to contact with you , hope you are doing great.
Learnt from Internet that you might be interested in xxx. We are producing this product now with the yearly quantity around 10ton, and purity above 95%. Please contact me if you interested.
Thanks for your time.
Best wishes
xxx[收起]
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