The sandwich panel is composed of two layers of molded metal panels (or panels of other materials) and a polymer thermal insulation inner core foamed and cured directly in the middle of the panel, which is easy to install, lightweight, and efficient. The filling system also uses closed-cell molecula......

The purpose, process and production process of hot-dip galvanizing of steel strip.

This passage is about corrugated steel sheets.

When a roll of steel is flattened, we see it is still soft, but when pressed into a tile shape, the steel sheet of the same length will be deformed and bent by its own weight, but the tile will not be.

Some people may ask, is it cheaper to use concrete prefabricated pipes? Is corrugated steel sheet easy to rust?

According to the classification of materials, wall decorative panels can be divided into two categories: solid wood panels and artificial panels. At present, except for the floor and the door leaf will use solid wood panels. Usually, the panels we use are artificially processed panels. According to ......