
ChangZengis widely praised as a leading company in the field of steel tubing. ChangZeng's steel products series include multiple types. steel beam adopts c channel steel without harmless materials. It excels in achieving the shape set by the mold. ChangZenghas established a 'one-stop' service system from design, development, production to logistics and distribution. It complies with the standards of GB, ASTM, JIS, BS, EN, TOCT, KSD, IS, etc.

Everything we do is guided by principles of "Excellence, Integrity, and Entrepreneurship". They have defined our company character and culture.