
ChangZeng has gained increasing popularity in the steel tubing market. ChangZeng's steel tubing series include multiple types. High quality material and independent design immensely raise the reputation for ChangZeng. It is not subject to yield-point runout and can, therefore, require low levels of maintenance. This product guarantees better fire security. Glowing/hot-wire based fire hazard testing ensures its materials meet the standards of IEC 60695-2-10. It is not subject to yield-point runout and can, therefore, require low levels of maintenance.

We care for the environment. We use environmentally friendly technologies in our production activities to minimize the possible adverse effects on the environment.