What about the plant size of ChangZeng?

With strong manufacturing capabilities and advanced production equipment, our factory is the largest one in the mild steel pipe production base. We always manage our plants with the highest productivity and quality. Our factory is equipped with large production lines and sophisticated equipment, with talented and experienced engineers.

Shanghai ChangZeng Metal Co., Ltd. is an independent company specializing in steel coil. ChangZeng's main products include steel coil series. ChangZenginsists on adopting superior raw material to produce first-class steel beam. It excels in achieving the shape set by the mold. With proper strength, this product helps reduce theft and ensures that items will not be physically damaged. It accepts the de-oxidation process to be killed or semi-killed steel.

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