Since the 1930s, with the rapid development of continuous rolling production of excellent strip steel and the progress of welding and inspection technology, the weld quality has been continuously i...
Patterned aluminum plate is a relatively common building material, and its process is mainly divided into three parts: de-esterification, sand mill, and water washing. Among them, water washing is ...
In the late 1980s, China began to build color coating units successively. Most of these units were built in iron and steel plants and joint ventures, and the color coating process equipment was bas...
The most direct way to identify whether an enterprise is a real manufacturer is to look at the business license. The business license can give us a lot of information: the first is to look at the r...
Ordinary carbon steel, also known as iron carbon alloy, is divided into low carbon steel (to be called wrought iron), medium carbon steel and cast iron according to the carbon content. Generally, t...
Color-coated coil has light weight, beautiful appearance and good corrosion resistance. It is mainly used in advertising industry, construction industry, home appliance industry, electrical applian...