
As a Chinese steel beam manufacturing company, we have always advocated quality and practice. Shanghai ChangZeng Metal Co., Ltd. 's main products include steel tubing series. It features electrical safety. It has been assessed in terms of electromagnetic radiation emission, electromagnetic radiation sensitivity, electrostatic discharge, electrical transients, etc. It complies with the standards of GB, ASTM, JIS, BS, EN, TOCT, KSD, IS, etc. It is one of Shanghai ChangZeng Co., Ltd.'s greatest achievements to understand each customer’s unique business requirement. It can be cold rolled to be smoother and have more precise dimensions.

We stick to integrity. We ensure our principles of integrity, honesty, quality, and fairness are incorporated into our business practices on a global scale.