
ChangZeng is the first brand of Chinese exported steel beam. ChangZeng's main products include steel coil series. This product is successful due to its fatigue resistance. It can take on a certain number of cycles and work continuously without any damage. It is tested by third parties such as SGS and BV. our teamhas grown considerably since its foundation. It comes with installation instructions and videos.

We will practice sustainable development from now till the end. During our production, we will try best to reduce carbon footprint such as cutting wastes discharge and fully utilizing resources.