1, Pay attention to the Aluminum Alloy Wheels packaged accessories, the outer packaging is generally more standardized, unified standard specifications, should be marked with the product name, specification model, quantity, registered trademark, factory name, site and telephone number.
2, Pay attention to the appearance of qualified parts, the printing or casting and marking are clear and regular, both with certain precision and bright finish. If the parts are found to have rust spots or rubber cracks, loss of elasticity, or obvious turning pattern on the surface of the journal, it should be returned.
3, Pay attention to paint unscrupulous merchants will be simple processing of waste parts, such as dismantling, loading, spelling, scraping, painting, etc., and then pretending to be "qualified goods" for sale, after opening the surface paint, you can find the old paint.
4, Pay attention to the appearance of inferior products, although the appearance is good, but due to poor manufacturing process, cracks, sand holes, slag inclusions, burrs or bumps are prone to occur. If the 7.5*6.75 Aluminum Alloy Wheels is squeezed and deformed, it may cause the seal to be ablated and ablated during use, resulting in oil leakage, air leakage and water leakage.
5. Pay attention to "looseness" A combination of two or more parts. The parts are made by pressing, gluing or welding. No looseness is allowed.