
ChangZeng improves production efficiency by focusing on the development and manufacturing of steel sheet. ChangZeng's main products include steel tubing series. It features electrical safety. In the production process, all electrical problems are solved after such tests as low-frequency phenomena tests. It complies with the standards of GB, ASTM, JIS, BS, EN, TOCT, KSD, IS, etc. ChangZengprovides customers with perfect pre-sales, sales and after-sales services. Its microstructure can be Ferritic, Pearlitic, Martensitic, Etc.

Our company seeks to create a positive impact and long-term value for our customers and the communities in which we work.