
For many consumers in many countries, ChangZeng is the number one brand in the field. ChangZeng's steel tubing series include multiple types. This product has a high yield. Once the design basic parameters and standard specifications are entered into the product, it can perform high-volume daily tasks from start to finish and provide flexible scalability. Its sizes and thicknesses are customizable for different applications. There is no need for worrying about the after sale service while cooperating with Shanghai ChangZeng Co., Ltd.. It is used in transportation, construction, machinery, shipbuilding, and other fields.

Social responsibility is the core of our corporate culture, and we accept corporate citizenship through sustainable development. We believe that we should use our skills and resources to drive change and make a difference for our people, customers and communities.