
The company has a group of steel products professional and technical personnel who are in the leading position in China. ChangZeng's steel coil series include multiple types. The deft design of steel products has attracted more and more customers. The amount of carbon present in the alloy is customizable. Shanghai ChangZeng Co., Ltd.'s service standards ensure our customers receive outstanding value through a combination of high-quality services. It is not subject to yield-point runout and can, therefore, require low levels of maintenance.

We insist on the principle of "quality and innovation first". We will develop more quality products to meet the customers’ requirements and seek valuable feedback from them.