
ChangZenghas reached a quite high level in the areas of steel tubing production. ChangZeng's main products include steel sheet series. This product has the required precision. It provides enough dynamic precision for the program without any human error. It is able to provide the strength nor piping connectivity typically required by high-pressure, high-temperature applications. The implementation of best industry practices give ChangZenga competitive edge. It accepts the de-oxidation process to be killed or semi-killed steel.

Through continuous improvement, our company strives to provide customers with quality products, timely delivery, and value.