For the guardrail, the surface treatment is a good protective measures are also a means to extend its service life street fence, and its common surface treatment methods are the following: First, the use of mechanical, physical, chemical and other methods to make Fence material surface morphology change, chemical composition, phase composition, microstructure, defect status or stress sidewalk guardrail, such as shot peening, surface heat treatment and chemical heat treatment, surface treatment also belong to the category. 2. For zinc steel fence surface coating, used as a phosphate coating pre-treatment. Metal can coating and base metal binds closer phosphated before painting. Third, if the nature of the material is a metal fence, it is called the metal surface treatment. The surface treatment of this material include plating, painting, thermal spraying, ceramic coating, vapor deposition, conversion coating treatment, corrosion inhibitors and other temporary covering. Fence when the fence is not only used as a family home decorations, or a family of first line of defense, so the choice is the most important of its. The relevant experts remind you when you need to pay attention to the choice of the following aspects: First, to determine the role of community good fence wall fence, only to determine its role, and then choose what material the fence on the local conditions of use. Secondly yard barrier should be based on individual economic circumstances fence, you are best to choose some material quality, design aesthetics, the protective effect of strong guardrail best. There is currently on the market wall fence Material classification, divided into mesh fence, iron fence, aluminum fence, PVC fence, stainless steel rails and galvanized fence. And the effect of different materials it is not the same, so we in the choice, according to their own needs to choose the right material. High quality fence, Chongqing fence, fence column is provided by Xinxiang Xin Xin Metal Products Co., bar. Xinxiang City Xin bar Metal Products Co. (www.xlhlc.com) (www.xlhlc.com) strong, credible, Xinxiang in Henan Fence, bar, network industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xin bar fence into the brilliant and you work for a better future!