
ChangZeng is the best-selling domestic steel tubing brand. ChangZeng's main products include steel tubing series. Other products can’t be compared with steel products which is of steel h beam. It excels in achieving the shape set by the mold. 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 can be processed by welding, punching, cutting, bending, painting, etc.

We care for the environment. We use environmentally friendly technologies in our production activities to minimize the possible adverse effects on the environment.