Please track your goods in following express webpage with the express tracking number from your sales.
Please contact with your sales and asked the technical data and support, we will try our best here always. Or please download the technical data from on our webpage.
Our factory is certified by ISO9001-2015, the whole quality control system make sure the high quality bearings manufactured from our factory. If there are any questions, please just contact with your sales, we will offer the whole support.