Steel Works is the main structure of steel production, is one of the main building structure types. Steel testing standards: structure. Steel rods slenderness ratio detection and calculation of steel manufacture, determined according to the provisions of light steel structure housing the rod size, slenderness ratio should be accounted for, such as the actual size of the rod member. Connection attic steel steel support system, according to the provisions of detection; size support system components may require measurement; should design drawings or design specifications corresponding to verify or assess. Steel Works is the main structure of steel production, is one of the main building structure types. Steel testing standards: painting. Grade steel surface rust, can be used with existing national standards, "the steel surface before painting Rust grades and preparation grades" GB8923 provisions picture control observation to determine. Interior steel staircase | Changzhi Steel | Steel provided by Prudential Prudential Steel Works Ltd., Henan. Henan Prudential Steel Works Ltd. (www.ayhfgc.com) strong, credible, and other industries in other Anyang accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Prudential Steel and you hand into the brilliant, for a better future!