
Shanghai ChangZeng Metal Co., Ltd. provides the integrating service of integrating design, production, sales and service of steel beam. ChangZeng's main products include steel products series. ChangZengadopts galvanized steel coil material to better achieve the high performance of steel coil. It accepts the de-oxidation process to be killed or semi-killed steel. The product is neat and tidy. It works with a metal coating to enhance the decontamination effect and avoid corrosion or foreign matter contamination. It complies with the standards of GB, ASTM, JIS, BS, EN, TOCT, KSD, IS, etc.

We never stop assuming social responsibility. We care about the development of communities and society, and we donate capitals to help build charity houses and hospitals.