Default about housing from cnn.cn

hello, people. i decided to buy a black housing (http://cnn.cn/shop/p3600dopod-d810-b...ng-p-1698.html) but have a question: is known problem that the black housing blurred paint in the first deliveries of the model and then appeared to be eliminated this problem. purchased anyone of you black housing on cnn.cn? Whether with him any problems?