
The company has a group of steel tubing professional and technical personnel who are in the leading position in China. ChangZeng's steel tubing series include multiple types. ChangZengmakes use of high quality of raw material to ensure quality of steel sheet. It excels in achieving the shape set by the mold. This product does not pose any safety hazard. It is tested by high voltage insulation and overcurrent test to prove its safety. It is used in transportation, construction, machinery, shipbuilding, and other fields.

We put forth efforts to reduce carbon emissions in our production. By showing that we care about improving and preserving the environment, we aim to gain more support and business and also build a solid reputation as an environmental leader.