1. From the point of view of the packaging of parts and components in the packaging factory, the general specifications are relatively standard, the font is clear and formal, and the packaging and printing of counterfeit products is relatively rough, so it is often easy to find defects in the packaging.
2. Look at the color and assign specific colors to the surface of some factory accessories. In case of other colors, it is a fake part.
3. In terms of appearance, the appearance of factory accessories or the foundry and marks are clear and formal, and the appearance of counterfeit products is rough.
4. Illegal painters simply process the discarded parts, dismantle, package, spell and sort them out, then sell them as qualified products and illegally obtain high profits.
5. Look at the texture. The materials of factory parts are qualified according to the design requirements, and most of the fake products are replaced by low-cost and inferior materials.
6. The appearance of products with poor workmanship is good, but due to poor manufacturing technology, cracks, chips, burrs or bruises are easy to appear.
7. Looking at the "storage" of auto parts, if there are problems such as drying cracks, oxidation, discoloration mirror and aging, it may be caused by poor environment, storage time, differences in materials, etc.
8. Look at the "connector". If the clutch rivets are loose, the brake leather pipes are degummed, the joints of electrical parts are desoldered, and they are separated from the paper filter joints, they cannot be used.
9. The regular components of the sign part are marked with assembly marks such as limited time gear mark and piston top mark to ensure the correct installation of components. You can't buy what you don't have.