We usually install anti-theft doors and anti-theft windows in our homes to prevent the entry of thieves. But for people living in luxury houses, they still have to set up electronic fences on the periphery, so let's talk to you about what is an electronic fence? The electronic fence is actually the most advanced anti-theft security system in the world. It is mainly composed of three parts, namely the host of the electronic fence, the front-end accessories and the back-end control. Once someone triggers the organ, it will be alert. Through the above introduction, I believe you already know what the so-called electronic fence is, and I hope to provide you with some help, so that you can find out.

We usually install anti-theft doors and anti-theft windows in our homes to prevent the entry of thieves. But for people living in luxury houses, they still have to set up electronic fences on the periphery, so let's talk to you about what is an electronic fence? The electronic fence is actually the most advanced anti-theft security system in the world. It is mainly composed of three parts, namely the host of the electronic fence, the front-end accessories and the back-end control. Once someone triggers the organ, it will be alert. Through the above introduction, I believe you already know what the so-called electronic fence is, and I hope to provide you with some help, so that you can find out.

Aluminum wire is a silver-white light metal. It is malleable and malleable. Commodities are often made into rods, flakes, foils, powders, ribbons and filaments. It can form an oxide film to prevent metal corrosion in humid air. Aluminum powder and aluminum foil can burn violently when heated in the air and emit a dazzling white flame. It is easily soluble in dilute sulfuric acid, nitric acid, hydrochloric acid, sodium hydroxide and potassium hydroxide solution, but insoluble in water. The relative density is 2.70. Melting point is 660°C. The boiling point is 2327°C. The content of aluminum in the earth's crust is second only to oxygen and silicon, ranking third, and it is the most abundant metal element in the earth's crust. The development of the three important industries of aviation, construction, and automobiles requires the characteristics of materials to have the unique properties of aluminum and its alloys, which greatly facilitates the production and application of this new metal aluminum. The application is extremely wide.

Aluminum wire is a silver-white light metal. It is malleable and malleable. Commodities are often made into rods, flakes, foils, powders, ribbons and filaments. It can form an oxide film to prevent metal corrosion in humid air. Aluminum powder and aluminum foil can burn violently when heated in the air and emit a dazzling white flame. It is easily soluble in dilute sulfuric acid, nitric acid, hydrochloric acid, sodium hydroxide and potassium hydroxide solution, but insoluble in water. The relative density is 2.70. Melting point is 660°C. The boiling point is 2327°C. The content of aluminum in the earth's crust is second only to oxygen and silicon, ranking third, and it is the most abundant metal element in the earth's crust. The development of the three important industries of aviation, construction, and automobiles requires the characteristics of materials to have the unique properties of aluminum and its alloys, which greatly facilitates the production and application of this new metal aluminum. The application is extremely wide.

1. The concept of "hardware" mainly refers to the five metal materials of gold, silver, copper, iron and tin. 2. Hardware is the mother of industry; the foundation of national defense and the products of hardware materials are usually divided into two categories: large hardware and small hardware. Big hardware refers to steel plate, steel bar, flat iron, universal angle steel, channel iron, I-shaped iron and various types of steel materials; small hardware refers to construction hardware, tinplate, lock nails, iron wire, steel wire mesh, steel wire cutters, household hardware , Various tools, etc.

　　 Low-carbon structural steel 　　The welding wire contains enough alloying elements such as silicon, manganese and other elements to jointly deoxidize, with a low carbon content of less than 0.1%. Welding materials: The purity of CO2 gas is 99.5%, the water content is not more than 0.1%, and the carbon content is not more than 0.1%. The copper plating on the surface of the welding wire does not allow rust spots. 　　Welding wire is a wire welding material used as a filler metal or at the same time as a conductive wire. In gas welding and tungsten gas shielded arc welding, the welding wire is used as a filler metal; in submerged arc welding, electroslag welding and other molten electrode gas shielded arc welding, the welding wire is both a filler metal and a conductive electrode. The surface of the welding wire is not coated with anti-oxidation flux.