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[ Huaqiang Security Network News ] This article is a small series for everyone to share the picture and advantages of the electronic fence, the electronic fence is currently the most advanced perimeter burglar alarm system, it consists of electronic fence host and front-end de
[ Huaqiang Security Network News ] What are the classifications of Luban locks? 1, the size of the hole lock 2, four seasons lock 3, Kong Ming chain lock 4, twelve-party lock 5, square lock (square angle Luban ball) 6, twenty-four locks (class A and B) 7, eighteen hook
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According to the bulk non-ferrous net reprinted: Recently, the Ministry of Science and Technology High-tech Division organized and held in Beijing the "12th Five-Year Plan" national science and technology support plan "aluminum alloy and its composite automotive
Jia Kang, dean of the China Institute of New Supply Economics and a researcher at the Institute of Fiscal Science of the Ministry of Finance, pointed out at the analysis of the macroeconomic situation in the second quarter of 2015 that the economic growth rate fell below 7% in
Aluminum alloy is a kind of metal raw material widely used in various modern industries. Especially in the door and window industry in the modern construction industry, it is widely used. The high-quality aluminum alloy doors and windows not only have a gorgeous appearance, bu
[ Huaqiang Security Network News ] The frequency converter is a physics concept. This article introduces the definition concept and working principle of the inverter. A frequency converter overview Variable-frequency drive (VFD) is a power control device that controls the AC
Beijing time on June 9th news, according to foreign media reports, scientists have developed a new alloy that can be restored to its original shape after repeated bending 10 million times. The new alloy consists of nickel, titanium and copper, which breaks the repetitive conve
Under normal conditions, if your aluminum alloy wheels are deformed or broken, it must be due to the careless driving that causes the hub to be subjected to strong external impact. We often see articles and advertisements concerning the repair of aluminum alloy wheels on the