The so-called "smile curve" refers to the value-added curve of R&D, production, and circulation in the industrial chain of the present world. In the "smile curve", one end is R&D and design, the other end is sales and service, and the middle is processing and production. Similarly, the "smile curve" is referred to by the shoe industry as the lifeline of corporate development. As we all know, with the increasingly fierce competition in the footwear industry, especially under the impact of new international rules, the disadvantages such as overcapacity, homogenous competition, and lack of scientific and technological content have been exposed and painstakingly learned. Many foreign shoe enterprises have undergone transformation and change. In recent years, Chinese shoe enterprises have actively explored domestic and foreign markets while striving to develop new products. They have constantly worked hard on technology research and development and brand operations, firmly occupying both ends of the “smile curve†and making themselves maintain a steady development trend. A few days ago, another good news came that the shoe company Aokang formally appealed to the EU Supreme Court against anti-dumping cases for leather shoes, which marked the dawn of the Chinese shoe industry at the top of the “smile curveâ€. Through investigations, it is found that the rise of China's footwear industry has shaken the monopoly position of EU countries. Some European countries have formed alliances to protect the domestic footwear industry from maintaining prices. They have launched various barriers that restrict China's footwear industry from entering the European market. This restriction has been nearly 15 years. For Chinese shoe companies, both the time and energy have caused a huge impact, even to an unbearable point. This time, O'Connell took the lead in initiating an appeal against the EU ruling. Apart from seeking justice, the biggest goal is to prove to the world that the technological content of Chinese shoes already has an international standard. It is worth mentioning that in recent years, with the successive introduction of new international standards, Chinese shoe companies have not only shown no fear, but also focused on building a "smile curve" castle. Intensified efforts were made in product research and development to lead the new trend of industry product replacement with strong scientific and technological strength and continuous technological innovation. It also optimizes the configuration and efficiency of shoemaking equipment, enhances independent innovation and design elements in the product, and establishes a steady growth of sales channels, including comprehensive planning of understanding of various types of retailers, wholesalers, and stores engaged in physical distribution. It has realized the expansion from a single channel advantage to a diversified channel. We all know that China has a wealth of resources, a sound industrial chain, a huge processing capacity, a sound sales and marketing, and so on. This all contributes to the sustainable development of the industry. The overall advantages still exist. One can imagine the current upgrading of the shoe industry. Not so difficult. Coupled with the broad prospects of the international market, the overall foreign economy has shown a good momentum, residents' purchasing power has begun to recover, and consumption upgrades have boosted the retail growth of the footwear industry. All this has also helped promote the export of the footwear industry. Draw a "smile curve" to become the goal pursued by Chinese shoe companies. Therefore, Chinese shoe companies should actively increase the added value of the brand and make the brand image high-profile in the international market. We have reason to believe that Chinese shoe companies can win the unanimous recognition of the international market by their tenacious transformation and set sail in the vast international market, and they are bound to get to the two sides of the “smile curveâ€.
The spring has the characteristics of extensibility and compression, it can absorb and release the bounce when the vehicle passes through the uneven road surface, reduce the bounce range of the vehicle, and make the wheel keep contact with the road surface as much as possible. The energy produced during the stretching process is converted into heat by the shock absorber and diffused into the air.
The basic introduction of progressive springs the original car models usually use progressive springs, which are of a different thickness and density, the advantage is that it can absorb the fluctuation of the road surface through the part with lower elastic coefficient when the pressure is not big, and ensure the comfortable feeling of riding. When the pressure increases to a certain extent, the spring of the thicker part can play the role of supporting the car body, but this kind of spring`s shortcoming is the control feeling is not direct, the accuracy is poor. The basic introduction of linear spring the thickness and density of linear spring from top to bottom are invariable and the elastic coefficient is fixed. This kind of spring can make the vehicle get more stable and linear dynamic response, which is helpful for the driver to control the vehicle better. It is often used in performance-oriented modified vehicles and competitive vehicles. In other cars and cars, a smaller, softer secondary spring is added to the harder linear spring, which in addition to increasing comfort reduces the force of the spring when the main spring is pressed back, prevent the main spring from disengaging from the spring seat. Short spring introduction short spring is shorter than the original spring, and more robust, the installation of short spring, can effectively reduce the body center of gravity, reduce the roll when cornering, making cornering more stable and smooth, improve vehicle cornering handling. The damping setting of the original shock absorber is biased towards comfort, so the short spring and the original shock absorber are not very stable in coordination. It can not effectively restrain the rebound and compression of the short spring. When driving on a bumpy road, there will be an uncomfortable feeling of jumping, in the long run, the life of shock absorbers will be greatly reduced, and there is the possibility of oil leakage. Of course, these conditions are relatively speaking, the day-to-day driving would not have such serious damage, and try not to drive hard, after all, the original shock absorber can not withstand high load pressure. Replacing the short spring is the most economical way to reduce the height of the car body. It is a good choice for those who do not have a large budget. Of course, a price is a good price. The short spring has very limited improvement in handling performance, and there are still many disadvantages, so in the purchase must be clear about their purpose, or when the installation will not achieve the desired effect, resulting in unnecessary waste on the tragic.
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