The hoop diameter of 8mm is combined with the cement column guardrail specially customized and equipped with nuts and anti-theft washers. The surface treatment is galvanized, respectively. There are three kinds of bracket hoop at the column cap, bracket hoop at the center column, bracket hoop with encryption bracket, etc. The protective effect of nematocyst rolling cage is good.

Paint on the galvanized layer, the bonding force between each other has a great relationship with the baking temperature of the paint, and alkyd paint is coated after galvanized, and the adhesion is not a problem. After galvanized to do amino paint, paint adhesion is not very good. Do two bottom two surface, adhesion is good, if the two bottom two surface changed to two bottom three surface, that is, more paint, more baked once, again test adhesion is very bad, bad enough to tear the paint from the galvanized layer.

The whole country is cooling down on a massive scale. People suddenly feel that winter is coming. In much of the north, the collection of central heating and heating has also begun. People who do not have central heating or do not want to use traditional heating choose air heating. As heating equipment enters the peak season, building network sales are also gradually increasing.