Steel quality color: color plate edge leakage was observed. Get a color plate steel structure activity in house prices, the first observation of color plate section and whether the exposed steel such as fine crystalline, whether gray, dark and impurities. If the cut surface is fine crystalline type is more superior quality. See color plate quality certification. Color steel sandwich material: color steel sandwich material into foam color plate (the chemical name for polystyrene color plate), rock wool color steel, polyurethane color steel, paper honeycomb sandwich panels, glass wool color steel. Foam color plate is an organic material which has thermal insulation light weight and easy installation. More widely used in recent years. Steel mobile home installation | steel mobile homes | Prudential Steel by Henan Hengfeng Steel Works Limited. Henan Hengfeng Steel Works Ltd. (www.ayhfgc.com) strong, credible, Anyang, Henan Province in other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Prudential into the brilliant steel and you work for a better future!