
Shanghai ChangZeng Metal Co., Ltd. is a steel coil manufacturer dedicated to design, development, production and sales. ChangZeng's main products include steel sheet series. The improved c channel steel is light in weight and therefore easy to handle. It complies with the standards of GB, ASTM, JIS, BS, EN, TOCT, KSD, IS, etc. ChangZenghas been successfully operated for more than 10 years in the global market. Its material can be comprised of higher-grade alloys such as stainless steel or molybdenum steel.

Our company aims to be a long term, reliable supplier with a wide product range and solid product quality. We will put more effort into improving our manufacturing abilities.