You sold to another trader who has started importing after looking at our business with you

If you feel free to sell to any trader then we will be open to buy from other factories also

This will nor help you nor us

Let us be strategic and confident of each others strenghs and grow together

我们不是独家代理，但他想做独家代理，我们不同意，还有没有其他方法？我们是邮件沟通的，怎么回复，才能正式点，不会一锤子打死 呢？