
The name ChangZeng represents a unique Chinese-style steel coil brand. ChangZeng's steel tubing series include multiple types. Humanized design for steel beam is favored by our customers. It is not subject to yield-point runout and can, therefore, require low levels of maintenance. Shanghai ChangZeng Co., Ltd.'s entire employee received systematic training. It is used in transportation, construction, machinery, shipbuilding, and other fields.

Aiming at adding value for our customers, our company will always develop cost-effective product solutions to help customers achieve their goals.