ChangZengis a pioneer in steel products research and development. ChangZeng's main products include steel beam series. Even with the high cost for superior raw material, ChangZengfirmly believe good quality of steel products is everything. It complies with the standards of GB, ASTM, JIS, BS, EN, TOCT, KSD, IS, etc. This product is highly safe. It is equipped with an electrical protection system to avoid risks such as leakage, over current and overheating. Its comes with optional additional alloys including carbon, manganese, silicon, chromium, nickel, molybdenum, and vanadium.
Common development win-win situation is the driving force of our business. We will allow our customers to engage with the business and strengthen interaction with them about the product and services.