Cold roll forming machines have played a very important role. What is important is that the consumption ability of cold roll forming equipment can directly affect the development of China's manufacturing industry. Therefore, with the vigorous development of the whole environmental protection market, cold roll forming equipment will become more and more important. As for cold forming equipment, the common forming methods mainly include restriction, casting, extrusion, welding, etc. to form the equipment.

The components corrode the battery, i.e. suffer electrochemical corrosion. Since zinc is more vivid than iron, it is the Yang of the micro battery. As the dedication Yang, the current generated by its dissolution from time to time stops the negation of the metal being maintained and corrodes itself; Iron is the cathode of the micro battery, which only plays the role of conducting electrons and is maintained in the hot-dip galvanized coating.

Moreover, this method can clarify the forming methods of forming equipment.