At the close of each year, various commercial vehicle companies will hold annual business conferences in succession, handing in this year's "report card" and laying out the key "subjects" for the coming year. Today, in the face of the pressure on China's economic d ......
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In 2016, the growth momentum of the LED lighting industry has weakened, profits have fallen, costs have risen, and regulation has tightened. Wu Zhengyu, CEO of Juyou Longitudin, said that I have entered the lighting industry for 15 years and this year is a very tired year. Under the new normal of th ......
In recent years, the high-speed growth of the small-pitch LED display market is obvious to all. However, after years of triumph, the small-pitch LEDs can continue to grow at a high level, and whether they can go further in the large-screen display market, undoubtedly affecting The nerves of all the ......
GB1589 previous revisions review the first edition GB1589-1989 The first edition of the general limitation of length, width and height GB1589 was established in 1989. At that time, the standard name was "Car Exterior Dimensions Limit". It is not difficult to see from the name. At that tim ......
Speaking of automotive headlamps, there are mainly halogen, xenon, LED, and laser headlights. Of course, LED and laser headlights are still far away for most consumers. After all, their cost is not low. The only thing that really touches the car is halogen ......
In 2016, with a little focus on the Internet, you'll find that the wordings of AI, machine learning and deep learning are almost completely summaries of the Chinese Internet in 2016, in major technology media, Internet shows, and even building advertisements. AI, in-depth learning Has Become a ......
Shanghai Meiji professional photo company service projects: Shanghai big group photo, conference photo, group photo, summit photo, forum photo, academic report group photo, large group photo, large photo of the annual meeting, large group photo, group photo, classmate meeting Photographs of the gr ......
Today, with the popularity of small-displacement engines, more and more four-cylinder or even three-cylinder engines have replaced the original large-displacement naturally-aspirated engines, which have saved energy and also reduced the pollution of our liv ......
Three-phase asynchronous motor temperature rise test methods are direct load method and equivalent load method. The equivalent load method includes a reduced voltage load method and a stator superposition method. When the direct load method and the step-down load method are used, the tested motor ......
Near the end of the year, spot prices for Asian styrene butadiene rubber (SBR) rose strongly. Market participants expect prices in January 2011 to exceed the US$3,000/ton mark. Currently, the non-oil grade 1502 SBR spot price in the Asian market has risen to US$2,800/tonne (CFR, Asia), which has in ......