Aluminum profiles are now more commonly used fence profiles a, but the profile of this material for use in the process prone to some white point, which is why? An oxide film contaminated oil, perspiration. The need to strengthen protection, not a hand touching the surface of the workpiece surface. Or oxide film contaminated atmosphere soot, acid, alkali fog. Strengthen road guardrail washing, dyeing timely, timely transfer can greatly alleviate this symptom. Second, the workpiece loopholes deep residual acid in the outflow of such artifacts to strengthen water, there is the dye by Cl- pollution caused by dyeing workpiece point corrupt, then you must change the dye is usually too small to be restrained in operation process introduced impurity ions. Third, there is no inner dye dissolved impurities by oil pollution, disruption of normal custom stained fence, you should change the filter or dye. When guardrail fence is not only used as a family home decorations, or a family of first protective fence, so the choice is its top priority. The relevant experts remind the choice needs to note the following aspects: First, to determine the role of a good wall fence, only to determine its role, and then choose what material to use on the local conditions of the fence. Second courtyard fence should be based on individual economic circumstances, it is best to choose some excellent material fence, design aesthetics, the protective effect of strong guardrail most appropriate. There is currently on the market wall fence Material classification, divided into a mesh fence, iron fence, aluminum fence, PVC fence, hot dip galvanized steel fence and guardrail. The effect of different materials it is not the same, so everyone in the selection, according to their own needs to choose the right material. Engineering fence, guardrail fence Xin (certified), Shanxi guardrail fence by Xinxiang City Xin Metal Products Limited. Xinxiang City Xin bar Metal Products Co. (www.xlhlc.com) Henan Xinxiang, fence, fence, network leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Xin field fence in the leadership of the staff warmly welcome all inquiries negotiations to create Xin bar fence a better future.