Zinc steel fence corrosion pretreatment process ① good will manufacture zinc steel fence steel components polished weld flash, remove surface dirt railing, leather and other scales; ② will have completed the process of zinc steel fence steel members were placed in the acid pickling tanks pickling, Shandong road divider, further remove the metal surface oxide layer, Jiangxi road divider, pickled, the surface must see metal color, smooth surface finish; ③ the pickling of zinc phosphate steel fence steel member is placed in the pool phosphating, pickling and phosphate processing through to the metal surface to form a protective film over phosphorus compounds, as isolated from the air, prevent oxidation and enhanced corrosion resistance; ④ Through the above process steps, the steel structure corrosion prevention process had been completed, the road guardrail base metal surface requires no attachments, no impurities, pickling thorough, phosphate processing sufficient. Now available in a lot of people in the balcony railing to choose a good time is not know how to start, road guardrail, fence [green] how to choose, then, and now some people just because they can not choose the balcony railing, so we chose balcony railing of those poor, in fact, choose those inferior balcony railing, the consequences are very serious [door] aluminum walls. After using the inferior balcony railings, protective window [] not only makes our life can not be guaranteed, and if the family has children, then it would be more unsafe, because children sometimes climb on top of the balcony railing play, If the balcony railing of the material is not good, it would be easy to fall. So, for safety reasons, [the way] we chose the best fence balcony railing to install in our homes. How much road barrier _ Iron Dragon (certified) _ Jiangxi road barrier provided by Linqu Dragon Iron Plant. Linqu Dragon Iron Plant (www.lqlthulan.com) Shandong Weifang, metal building materials leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Dragon Iron leadership with the staff warmly welcome all inquiries negotiations to create a better future for the Iron Dragon.