Share how to avoid buy fake beauty bud and the method of the bearing is!

Share how to avoid buy fake beauty bud and the method of the bearing is! When we buy the bud and the bearing, how to avoid to buy fake goods? First of all, we not buy fake products must learn to tell the false! Only when we know the distinguish method, can better to choose and buy! How to recognize counterfeit bearings: 1. The original bearings on the surface of the laser are clear, blur of counterfeit bearings. How to avoid buy fake bearing products 2. Whether the bearing has noise. Seize the bearing inner ring with his left hand, right hand turn the outer ring, listen to whether there is a noise. Due to the backward production conditions most of the counterfeit products, is entirely hand-made workshop type operation, therefore in the process of production will inevitably enter the impurities. This is strictly enforce production standards and using automation equipment for the production of the biggest difference between brand manufacturers. 3. Counterfeit bearings may be a few turns lubricating oil leakage, quality goods bearing will not have these phenomena. 4. Whether chamfer is uniform. Bearing chamfer is horizontal plane and vertical plane. Due to the limitation of production technology, these counterfeit bearings in the corner of the process is often not ideal. 5. Because any products have a certain amount of cost, the cost is to decide the product price is the direct cause of, this is known as 'a penny a points goods'. Therefore, well-known companies bearing products from raw material selection to production and processing, have very strict control in the production process, which is the basis of guarantee the quality of bearing. Bearing the cost of the product will also increase, so the price is too low bearing products will only expose the essence of low quality.