What are the good ways to buy automotive plastic components? How do choose cost-effective automotive plastic components?
Look at the original packaging accessories packaging is generally more standardized, the standard specifications are unified, the printing is clear and formal, the packaging and printing of counterfeit products are relatively poor, and it is often easy to find defects in the packaging;
Look at the color of the surface of some original parts, if other colors are encountered, it is a fake and inferior part; 3. The printing or casting of the original parts, the marking is clear and formal, and the appearance of the fake product is rough;
Look at the unscrupulous paint merchants who simply process waste accessories, such as disassembly, assembly, patchwork, painting, etc., and then sell them as qualified products to illegally obtain high profits;
The original parts are made of qualified materials according to the design requirements, and the counterfeit products are mostly made of cheap and inferior materials;
Depending on the poor process, the appearance of the product is sometimes good, but due to the poor production process, cracks, sand holes, slag inclusions, burrs, or bumps are prone to occur;
Look at "Storage". If the automotive plastic components are dry and cracked if the automotive plastic components are dry and cracked. Oxidation, chromatic mirror, or aging problems may be due to environmental differences in storage. Long storage time. The material itself is poor and for other reasons;
Look at the phenomenon of "engaged" clutch plate rivets loosening, brake hose degumming, electrical component joints de-soldering, paper filter joints falling off, etc., can not be used;
Some regular parts of the logo are marked with some marks, such as the hour gear mark, the piston top mark, and other assembly marks, which are used to ensure the correct installation of the parts and cannot be purchased;
If there is a lack of regular assembly parts, it needs to be intact to ensure the smooth and normal operation of the poser. Some small parts on some assembly components are missing, usually "parallel imports", which brings difficulties to the loading. Due to the shortage of individual small parts, the entire assembly parts are scrapped;
To facilitate storage and prevent parts from colliding, the parts have a protective layer before leaving the factory. For example, bushing bushings. . Large and small bearings. Piston. The valve is generally protected by paraffin, so as not to damage its surface. If there is no protective layer on the surface, most of these important accessories are "parallel imports" without a protective layer;
Look at some important parts in the document, especially the components, such as the carburetor, distributor, generator, etc. Generally, there are manuals when leaving the factory. Instruct the user to install the certificate. Use and maintenance, if there are no these, most of them are fake and shoddy products; 13. Check the specifications of the purchased automotive plastic components, identify the main technical parameters, and the special technology should meet the use requirements. Some counterfeit and shoddy products look similar to the real ones, but are not suitable for installation, large or small, and are always unsatisfactory in use, leaving the risk of accidents.