Steel Works steel production is mainly structural steel manufacture, is one of the main building structure types. 3-6 century AD, intelligent and hard-working people of our country to build iron chain suspension bridge with chains, the famous Sichuan Luding Dadu chain bridge steel construction, Yunnan and Guizhou Yuan River Bridge River Bridge disc are all of the early iron body Examples of load-bearing structures. Steel Works steel production is mainly structural steel plant, is one of the main building structure types. Steel testing standards: structural performance test with real load dynamic testing. For large, complex steel structures can be real in situ non-destructive inspection charge, directly test the structural performance. Structure and properties of the real test according to the standard provisions of the Netherlands. Loading coefficients determined according to the provisions and principles of judgment, but also can be adjusted depending on the circumstances. Steel housing manufacturers _ Prudential Steel (certified) _ Steel provided by Prudential Steel Works Ltd., Henan. Henan Prudential Steel Works Ltd. (www.ayhfgc.com) is Anyang, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Prudential Steel in leadership with the staff warmly welcome all inquiries negotiations to create a better future for Prudential Steel.