Color aluminum alloy guardrails originated in Europe and the United States. They have been widely used since the 1970s and have set industry standards. Our use of color aluminum alloy guardrails in China is just getting started, because consumers are more inclined to color aluminum alloy guardrails. Unfamiliar, I don’t know the perfect aspect of the color aluminum alloy guardrail. Therefore, the design unit and the use unit are still ringing along the traditional wrought iron guardrail, cast iron guardrail, plastic steel guardrail, wooden guardrail and inferior stainless steel guardrail. You can see the fragile, rot, rust, and yellow robes of the guardrail, which seriously pollutes the construction of civilized cities and threatens people's health and safety of life and property. Therefore, the investment in the demolition and replacement of guardrails is very frequently. For example, when a consumer buys a new house, the guardrail does not look rusty or cold. According to incomplete statistics, the owner of the new house has replaced the guardrail or cut off the guardrail, accounting for more than 85%, and the urban road isolation fence has become a few. The annual change has resulted in repeated financial investment. With the rapid development of the national economy and the needs of the people's lives, the upgrading of guardrails is imperative and the development prospects are broad.