1 inch concrete nails

The spring operating at high temperature requires that it can adhere to the elastic limit and good creep resistance at high temperature. In addition, the forming process and heat treatment process of spring steel wire should also be considered. Cold drawn spring steel wire and oil quenched tempered spring steel wire are directly around the supply of steel wire spring, spring forming after the elimination of stress directly used.

Razor wire, also known as razor wire and razor net, is a new type of protective net. Blade barbed wire has beautiful, economic and practical, good anti-resistance effect, convenient construction and other excellent characteristics, at present, blade barbed wire has been widely used in many countries of industrial and mining enterprises, garden apartments, border posts, military fields, prisons, detention houses, government buildings and other countries of the security facilities.