Several types of stainless steel corrosion

Stainless steel corrosion is due to the surface of the stainless steel generated a layer of very thin, good adhesion, translucent chromium oxide film. Once the film is destroyed, the chromium in the steel chemically reacts with the oxygen in the atmosphere to quickly restore the film, while mec.......

How do super-hard materials companies fight news marketing?

The news is now more than just a look at it. The news is getting closer and closer to everyone, close to the level of life of everyone, and “news landing” will be the trend. We are not a spectator of news, we have become a news party, so paying attention to the news is paying att.......

2011 security eight development trends do you know

On January 6, 2011, foreign media released the "2011 Video Surveillance Market Forecast" report covering the video surveillance market business, technology and development trends. The main contents include financial forecast analysis, video surveilla.......

Iron ore high price operation era will end

The rapid development of China's economy, especially the rapid advancement of urbanization and industrialization, has driven the demand for global iron ore, the import of iron ore has soared, the dependence on foreign countries has continued to rise, and the international iron ore prices.......