
ChangZenglies in a leading position in the production of steel tubing in China. ChangZeng's main products include steel beam series. This product is recyclable. Even if one just throws it away (which is not advisable), the material would naturally degrade without harming the environment. It is not subject to yield-point runout and can, therefore, require low levels of maintenance. Today, ChangZenghas successfully built a comprehensive, tridimensional corporate image. It is highly resistant to corrosion and oxidation.

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