Colored aluminum guardrails originated in European and American countries. They had been widely used in the 1970s and established industry standards. Our Chinese use of colored aluminum guardrails is just starting, because the majority of consumers are more concerned about colored aluminum alloy guardrails. Unfamiliar, not realizing the perfect aspect of the color aluminum alloy guardrail, so from the design unit to the use unit is still along the route of the traditional iron guardrail, cast iron guardrail, steel guardrail, wood guardrail and inferior stainless steel guardrail, everywhere in life Can see the guardrail embrittlement, rot, rust slivers, yellow gowns add to the bad phenomenon, a serious pollution of the construction of civilized cities, always threatening the health of people's lives and the safety of life and property, so the demolition, changing the barriers to repeat investment is very frequently. For example, when a consumer buys a new house, the guardrail does not look rusty, but it is cold. According to incomplete statistics, owners who replaced the guardrail or cut off the guardrail account for more than 85% of the new house decoration, and the urban road barrier is also a few. In the first year of exchange, a number of repeated investments were made in finance. With the rapid development of the national economy and the needs of the people's lives, the upgrading of barriers is imperative and the development prospects are broad.