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The State Administration for Industry and Commerce recently entrusted the National Non-metallic Mineral Products Quality Supervision and Inspection Center with quality monitoring of automotive brake linings sold by 75 auto parts stores in eight cities including Nanjing, Guangzhou and Beijing. A total of 127 samples were sampled and the qualified rate of monitoring was 78.7%.
The monitoring has found that there are still many phenomena in the production license or sales license. There are 38 groups of products in the monitoring of the production license identification problems, of which 13 groups failed the test, there are 21 groups of samples not marked on the packaging or certificate of production license number, there are 15 sets of samples marked production license mark And the number is not consistent with the nominal production unit, suspected of being counterfeit or fraudulent; there are two sets of marked temporary license numbers that have already been revoked.
4S shop sales of auto parts, logo there are big problems. Most of the auto parts sold by 4S stores do not have any information on production units. Only the logos and applicable models of the host plants are printed, and many of them have no certificate, let alone the license number and the specified friction coefficient.
Some products have no specified coefficient of friction. In order to adapt to different models and use in different regions, the national standard stipulates that for each specific type of brake lining for automobiles, a specific and specified friction coefficient value must be given according to the specific application requirements and formulating process. The unit packaging or certificate is clearly marked on the unit so that the user can choose the correct use. Nine sets of samples for this monitoring did not give the specified friction coefficient value on the packaging or certificate, and did not meet the standard requirements.
Counterfeiting still exists. There are three groups of samples in this monitoring that have been confirmed by the manufacturer as not their products and are suspected of counterfeiting.
Industrial and commercial law enforcement officials remind consumers that the purchase of brake linings for automobiles should pay attention to the production license and the specified friction coefficient identification on the packaging. Without these two types of products, the quality is difficult to guarantee. The brake pads produced by the regular manufacturers are relatively clear in terms of packaging and printing, with production license number (XK23-204-00XXX), specified friction coefficient, executive standard, manufacturer's name, address, telephone number, etc. Batch number or date, etc. The driver should select a product with a suitable friction coefficient according to the condition of his/her own vehicle. When driving at a low speed, select a product with a friction coefficient of approximately 0.35. In the case of a large-slope long-distance brake, select the specified friction coefficient. It is 0.40 or more products.
In addition, be sure to go to the formal auto parts store to purchase brake pads and ask the merchant to issue legal procedures and request an invoice. Do not covet cheap, buy brake pads with extremely low prices (such as four-disc discs of 25 yuan or less, 1 kg/pak of drum discs of 5 yuan or less), and in terms of manufacturing costs, such products are very expensive. Poor raw materials may be used.