The product is good but when it delivered during the installation fans were not able to fit properly, so I had made some adjustments and fitted the fan (does not temper with the product only forced to fit). Suddenly after a week one of the fans was not able to fit properly making a strange friction noises. And they are becoming loud day by day. I had tried and checked if there was any kind of friction but did not find it. Now I don't know where the customer service center at my nearby area i...