i sold Huawei E5331 2G 3G Data Card to my buyer, after confirm order he said me for cancell this product because he saw after confirming the order that some other website is selling same product in lowest rate, so he want to cancel this order and request me for cancellation than i request to him that please send confirmation mail than i will cancel your order, he send me the mail on my register email address, after cancel the order he give me negative feedback and comment and he is not agree to remove,please advice me how i can remove this feedback, i m very depration.
