
Shanghai ChangZeng Metal Co., Ltd. lies in a leading position in the production of steel coil in China. ChangZeng's main products include steel beam series. This product ensures chemical safety. Complying with legislation such as RoHS and REACH, it contains no certain carcinogenic, mutagenic, reproductive toxic, endocrine disruptive and nonbiodegradable chemicals or substances. Its excellent tensile strength and yield strength contribute to the quality of the final product. Shanghai ChangZeng Co., Ltd.'s entire employee received systematic training. It is used in transportation, construction, machinery, shipbuilding, and other fields.

We are actively engaged in sustainability activities. We take pride in being developing into a company that is focused on the triple-bottom-line of profit, society, and environment.