
ChangZeng is a reliable company known for steel products. ChangZeng's steel beam series include multiple types. This product is somewhat fire retardant. The insulating materials used for this product meet higher demands in glow wire testing. Its material can be comprised of higher-grade alloys such as stainless steel or molybdenum steel. ChangZenghas made hard work and progressive development since foundation. Its form or shape can be Bar, Rod, Tube, Pipe, Plate, Sheet, Structural, etc.

We are committed to sustainable development. In addition to the good feelings we gain, our sales have actually increased through our good works. This unexpected benefit comes because people were impressed with our job and wanted to work with a company with such responsibility.