black aluminum storm windows

It is very important to know the important guarantee of railway transportation, because most of the enterprises now choose the mode of transportation is railway transportation, and railway as an important means of transportation for people to go out, its safety is a social concern. At this time the blade thorn rope can play a very good practical value in various railway trunk lines.

Electric galvanized wire direct selling is in the plating tank through the current one-way to gradually zinc plating on the metal appearance, the production speed is slow, uniform coating, thin thickness, usually only 3-15 microns, bright appearance, poor corrosion resistance, generally a few months will rust. Compared with hot dip galvanizing, the production cost of electric galvanizing is lower. The difference between cold galvanizing and hot galvanizing: the difference between cold galvanizing and hot galvanizing is that the amount of zinc is different. They can be identified from the color. The color of cold galvanizing is shiny silver white with yellow. Hot dip galvanizing shiny white.