
Shanghai ChangZeng Metal Co., Ltd. has a mature culture and a long history in this industry. ChangZeng's main products include steel coil series. This product is electrically safe. The demands placed on glow wire resistance of the plastics used for insulating or mounting live components have been increased. It complies with the standards of GB, ASTM, JIS, BS, EN, TOCT, KSD, IS, etc. ChangZengnetworks with strategic partners worldwide. It is the best for welding, machining or other needs.

We strive for excellence. We are not satisfied with work that is "average" or "OK." We seek innovative ways to create "better" every time.