
Shanghai ChangZeng Metal Co., Ltd. lies in a leading position in the production of steel tubing in China. ChangZeng's main products include steel beam series. This product is safe to use. It has passed the electrical safety test, involving electromagnetic interference level test, surge test, electrostatic discharge test, and leakage test. It accepts the de-oxidation process to be killed or semi-killed steel. ChangZenghas extended our business to many overseas countries and regions to form a truly global network. It has served more than 600 foreign customers.

We create sustainable growth. We put efforts on how to use materials, energy, land, water, etc. to ensure that we consume natural resources at a sustainable rate.