“The round copper refining technology is first-rate, and it is slightly better than the technology of Canada and the United States at the international bidding conference, but it is not worth the price because it is made in China.†During the event, Zhang Xiangkun, deputy direc
Read TutorialOn September 19th, US time, Alibaba officially listed on the New York Stock Exchange under the ticker symbol BABA. As of the close of the day, Alibaba's share price soared 25.89 US dollars to 93.89 US dollars, compared with the issue price of 68 US dollars, up 38.07, the market value reached 231
Read TutorialThe current small CNC cutting machine is sought after by foreign users! Since the QZB series of CNC cutting machines that are resistant to tyrants has been exported to the United States and India, our company's portable CNC cutting machines continue to have agency distribution c
Read TutorialThere are two main reasons for the promotion of zigzag-shaped mid-disc technology in the country. Two of them are most representative: 1) It is recognized that it has wear-resistance, but it is considered to have no effect on the improvement of aerodynamic performance and efficiency. 2) It is consi
Read TutorialLearn more about clothing: http:// Shenyang business wear customization how to choose quality comparison manufacturers As far as the entire Shenyang professional wear market is concerned, there are no less than 500 custom-made companies in Shenyang, many of whom are fashion clothing companies,
Read TutorialWhat is a power-off memory function? Simply put, it suddenly disconnects the power and is forced to stop the running program. After connecting the power again, you can still find the position where the program was running before the power off and continue running. This function will
Read TutorialThe idea of ​​using wind power to make the bulb glow has always existed, and scientists have tried to find this magical material, but it has not been very successful. As early as 1605, Francis Bacon discovered what we call the phenom
Read TutorialThe smart grid is a hot spot for the development of new technologies and new industries at home and abroad. The State Grid Corporation is building a nationally unified and strong smart grid. Its basic feature is that the operation of the power system is realized, automated, interactive and market
Read TutorialRecently, Mercedes-Benz (China) Automobile Sales Co., Ltd. filed a recall plan with the AQSIQ, and will recall some imported elves from 2009 to 2014 (SMART 52KW MHD type) from August 22, 2014. The car is produced from August 27, 2008 to March 21, 2014. According to the company's statistics, the
Read TutorialThe self-attenuation of the air spring and the bogie without the bolster spring up and down are shown in Fig. 10. An orifice is provided between the air spring body and the auxiliary air chamber, and the spring is applied to the air spring by giving resistance to the air flow. At the same t
Read TutorialSince watching the search provider, Bing can actually talk? The goal of Microsoft's Bing is to become just a conversational feature that understands all your problems. Microsoft said in a blog post: "For all types of searches, Bing can as
Read TutorialAlthough there is currently no dominant position, some other automakers have long been concerned about composite cast iron and magnesium. If you can't change with the dry tool technology, you can safely say that the development will cut, they first consider whether to use oil mist to cool, a
Read Tutorial