Guardrails are widely used in municipal engineering, transportation, community, port, airport, storage area maintenance, such products are becoming more and more mature, become an important branch of the building materials industry, the industry is expanding in size, style is increasing. According to the material classification of guardrails, there are iron guardrails, stone guardrails, PVC guardrails, wooden guardrails, cement guardrails, plastic steel guardrails, stainless steel guardrails, glass guardrails and so on.
According to the functional use of guardrails are classified as balcony guardrails, stair guardrails, air-conditioned guardrails, community guardrails, villa guardrails, anti-theft guardrails, stadium guardrails and so on. According to the decorative characteristics of the guardrail classification has art guardrail, iron guardrail, see-through guardrail, floating window guardrail, fence guardrail, American guardrail, European guardrail and so on. According to the appearance classification of bilateral silk guardrail net, frame guardrail net, double-ring guardrail net, Meg mesh guardrail, hook net guardrail, steel plate net guardrail commonly used steel, such as: round steel pipe, square steel pipe or pressed steel plate. There are so many kinds of guardrails, resulting in the installation of guardrail accessories are also a wide variety, different guardrails need different accessories to match.