
Until now, high quality steel coil has been produced by Shanghai ChangZeng Co., Ltd.. ChangZeng's steel tubing series include multiple types. This product works well under harsh conditions. It can be placed in demanding work environments, such as extreme changes in ambient temperature and humidity. Its material can be comprised of higher-grade alloys such as stainless steel or molybdenum steel. ChangZengcan provide specialized steel beam for which we are widely recognized in the industry. The amount of carbon present in the alloy is customizable. . The amount of carbon present in the alloy is customizable.

We stick to sustainable development. We keep eco-friendly manufacturing, reduce waste through reuse and building quality products that last and thereby promoting sustainability.