
Shanghai ChangZeng Metal Co., Ltd. is a lively and enthusiastic manufacturer centered on steel tubing. ChangZeng's main products include steel beam series. The majority of our customers are attracted by steel h beam of steel products. Its microstructure can be Ferritic, Pearlitic, Martensitic, Etc. This product has high rust resistance. Its surface is treated with a protective layer of metal oxide to avoid the effects of moisture. Its excellent tensile strength and yield strength contribute to the quality of the final product.

Our mission is to bring respect, integrity, and quality to our products, services, and all that we do to improve the business of our customers.