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1, What are the car accessories, accessories, tools?2. What is the warranty period stipulated by the state of electronic products 3, So what are the advantages and disadvantages...

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What are the auto parts, accessories, tools

Auto supplies, accessories, vehicle tools, safety systems, accessories, these are indispensable in the auto parts, a look at the auto supplies tools.

Overview of auto parts and supplies. Auto parts and supplies refer to various parts and additional items for automotive services, including products used to improve vehicle performance, improve comfort, and increase aesthetics. Car accessories, such as seat covers, steering wheel covers, carpets, perfume, etc., are in this sectionCommon items under the heading. Classification of accounting subjects.

Tool kit: like tape, tape measure, hammer, tire pressure gauge these should be prepared in the tool kit, there are small problems on the road can be solved by themselves.

Accessories must be appearance pieces, such as headlights, taillights, turn signals, front and rear bumpers, these are the most bad and most changed.

The anti-theft device strengthens the anti-theft performance of the vehicle. In car beauty shops, shops often recommend these products, but consumers can customize personalized car configurations according to their needs and budgets, such as choosing color strip trim and protective film. In general, chooseThe choice of car accessories should be based on personal preference, practicality and budget, each small accessory can add a unique charm to the car, while ensuring safety and ease of driving.

Auto accessories brands are: Porfilang accessories: is a car accessories decoration industry has rich experience and high visibility brand. Its product line covers all aspects of automotive interior and exterior decoration, including seat covers, steering wheel covers, foot pads, etc. Porfilan pays attention to the design details and quality of products, and pursues the perfect combination of fashion and practicality. Luchang Car Accessories: Luchang is a brand focusing on car navigation and car decoration.

What is the warranty period stipulated by the state of electronic products

In general, the three guarantee period of electronic products is not unified for one year, but varies according to the product type and manufacturer regulations. Consumers should carefully read the relevant terms when purchasing, and properly keep the purchase voucher and warranty card, so that they can enjoy the after-sales service smoothly when needed.

2, radio, radio recorder (including home audio) the whole machine warranty period is half a year; The warranty period of black and white TV and color TV is one year.The warranty period shall be calculated from the date of invoice issued by the sales unit, excluding the time occupied by maintenance and the time to be repaired due to temporary shortage of spare parts; Different products, different brands vary in terms of the warranty period promised by the seller at the time of sale.

3, the national standard of three guarantees of electronic products is as follows: 7 days, the product from the date of sale within 7 days, performance failure occurs, consumers can choose to return, replace or repair; 15, the product from the date of sale within 5 days, performance failure occurs, consumers can choose to replace or repair; The period of validity of the three packages stipulates that the period of validity of the three packages shall be calculated from the date of issuance of the invoiceHuh?

1, semi-metal brake pads are usually composed of various elements such as copper, steel and carbon fiber. They have the following advantages: - Strong braking force: provides good braking effect in both dry and wet conditions.

2, semi-metallic friction materials: This material usually contains 30% to 50% iron metal, such as steel fibers, reduced iron powder, etc. It has good heat resistance and can withstand the requirements of braking conditions during high-speed and heavy-duty operation. However, semi-metallic friction materials also have some disadvantages such as high braking noise and corner cracking. NaO friction material: NaO friction material in a broad sense refers to non-stoneCotton is not a steel fiber friction material, but the disc also contains a small amount of steel fiber.

3, low noise: Different from traditional brake pads, ceramic brake pads will not produce harsh metal scratching sound during friction, thus ensuring the quiet driving. High temperature resistance: Ceramic materials have excellent high temperature resistance, which means that when braking continuously or at high speed, the performance of brake pads will not decrease significantly due to the increase in temperature.

4, long service life, more than 100,000 kilometers; Wear-resistant high temperature, good thermal stability; The heat dissipation of ceramic material is fast and the friction coefficient is higher; It has good mechanical strength and physicsPerformance, can withstand large pressure and shear force. Ceramic brake pads have high performance, of course, there are drawbacks, high price, complex process, ordinary cars will not be equipped with ceramic brake pads, only high-performance sports cars will be equipped, in addition, everything is fine. 5, ceramic brake pads in all types show the best performance, its hardness and wear resistance far more than metal, with extremely high thermal stability and low thermal conductivity, making it the ideal choice for the pursuit of excellent performance and durability of the vehicle. However, each brake pad material has its scope of application and advantages and disadvantages, so in the selection and replacement of brake padsCareful consideration and professional judgment must be made according to the actual use of the vehicle and braking needs.