The sound absorption strength near the horn is slightly lower, and the construction technology is relatively simple. In addition, there is a car windshield in front of the door, which also makes the air flow between the windshield and the luggage bulkhead closer to the use layer, and correspondingly increases the indoor and outdoor temperature difference. The equipment of the whole vehicle is basically the same as that of bbs, and after detailed investigation, it is known that the durability of Audi M7 is significantly improved compared with it. The use of environmentally friendly materials ensures the characteristics of low noise.
As a result, Weisa not only provides advanced sound, but also optimizes the sound insulation and silence of the whole vehicle. For example, a large number of sound insulation materials have been added around the body dashboard, fender lining, door interior panel, the lower part of the luggage compartment, etc., while the whole car window glass has also been thickened. The front and side windows of the high-end model are equipped with double noise reduction glass and additional door frame seals to ensure the enjoyment of music in a quiet environment.
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The wind noise is mainly caused by the airflow separation caused by the exterior styling of the car, such as the wiper on the front windshield, the position and tilt angle of the outer rearview mirror, the design of the door handle, the roof luggage rack and other protruding objects on the outer surface of the car body, which will lead to the wind noise, so the size of the wind noise is closely related to the car design and modeling.
In the south, you can go to Guangdong Shiling. Is a very mature luggage wholesale market, the market scale is large, the luggage category is complete. Basically, most of them are medium-and high-grade goods, which are suitable for making high-quality goods. The quality and workmanship are very good, the local logistics is also very mature, sending and receiving is also very convenient.
How can a national luggage brand enter the international fashion circle? How does a feast of Chinese elements sweep the consumer aesthetics of the Chinese people? A new business model, how to sweep many industries and create an unprecedented wealth myth! Everything lies in “moving Chinese feelings and co-creating Chinese Dream”! Yueyue is inspired by traditional Chinese elements, each of which is a spokesman for China! The brand integrates the resources of more than 8000 manufacturers, grasps the source leather factory resources for more than 20 years, and controls the quality from the source. Each bag is of high quality, which is comparable to the international brand!
A: affected by the regional distribution of the luggage industry, the current domestic double-shoulder bag production bases are mainly concentrated in Guangdong, Jiangsu and Zhejiang, and Hebei Baigou. The luggage industry in these three regions has a high degree of development. It is a well-known wholesale distribution center for luggage production in China. In each region, there is a whole luggage customization industry chain, such as corresponding raw material market, double-shoulder bag production and customization manufacturers, corresponding logistics and transportation, etc. And the development of the industrial chain is relatively mature, especially in Guangdong, the old luggage production base, the maturity and perfection of the luggage industrial chain in Guangdong is higher than that in other regions, and it is more prominent than its luggage production area because of its large production scale and high product quality.
However, it is not about building an all-carbon fiber shell, because even cars that will go on sale this fall for more than $80,000 are still very expensive. BMW uses CFRP to strengthen some of the already strong metal / aluminum passenger transport units in key areas. The 15 CFRP reinforcements include the top of the windshield, the threshold, the transmission tunnel, the roof reinforcement tube from front to back and from left to right, the B-post between the front and rear doors, and the rear luggage rack. BMW believes that carbon fiber is one of the many technological advantages of its 7-series flagship sedan.
The company mainly develops punching dies for soft accessories such as automobile dashboards, ceilings, carpets, door panels, central passageways, left and right sides, spare tire covers, luggage interior fittings, engine cabin fittings, interior sound insulation parts, etc.; foam parts moulds for car seat backrest, cushion, headrest, handrails, etc.; vehicle owner model inspection tool, assembly inspection tool, interior decoration parts inspection tool Non-standard tooling and automatic production equipment. Over the years, the company has relied on stable and reliable product quality, large-scale and efficient production capacity and good performance-to-price ratio, it has been widely recognized by well-known auto parts manufacturers at home and abroad, such as Foggia, Antunlin, Taifo, Otuo, Andotuo, Aurui, Perzer, Lear and so on. The company has carried out international business since its inception, and has continuously “conquered cities and territories” in the international market for more than 10 years, and has achieved large-scale export of more than 50% of its products.