
ChangZengis now an 'expert' in the steel beam industry. ChangZeng's main products include steel coil series. steel tubing's performance is improved significantly with stainless steel pipe materials. Its sizes and thicknesses are customizable for different applications. All of Shanghai our company Co., Ltd.'s products are favored and trusted by customers. It is able to provide the strength nor piping connectivity typically required by high-pressure, high-temperature applications.

We have made social responsibility a central part of the company's strategy. We believe this will lead to a higher profile in the industry because customers will recognize us from our efforts.