There are mainly high-speed highway fence, railway guardrail network, airport guardrail network and garden guardrail network. According to the types, there are mainly the following kinds of guardrail nets. Let's briefly introduce their characteristics. Plug-in guardrail net is mainly used in public roads, and its structure is mainly composed of upper and lower upright steel pipes, one of which is sleeved on the other, and the inside is connected by bolts to play a fixed role. This kind of guardrail is beautiful and easy to install, which is very suitable for the protection of gardens, expressway and temporary isolation belts. The wrought iron guardrail net is simple and practical in structure, convenient in transportation, flexible and low in price, and suitable for large-scale application; Frame guardrail is very flexible to install and is usually used for protection around various roads. The installation mode of this guardrail net can be changed, so it can be used as both a permanent guardrail and a temporary guardrail. Because this kind of guardrail is easy to install, durable and durable, it is a very cheap guardrail network, and now it is widely used in various countries and regions. There is also a warehouse isolation fence, which is mainly used to distinguish articles between warehouses or inside warehouses. It takes up less space and has good protective performance, which is its greatest benefit and advantage.