structural angle 's qualifications and internationally authoritative certifications
2019-11-07
Shanghai ChangZeng Metal Co., Ltd. structural angle has passed related international certifications. With excellent product performance and reliable quality, our product has obtained related qualifications, such as ISO 9001. We abide by the service guarantee of high efficiency and profession to provide better products.

ChangZengis a highly creditable company in China as we have been focusing on the manufacture of high quality galvanized steel coil. ChangZeng's steel tubing series include multiple types. Its surface is endowed with a metallic gloss. The product is treated with an electroplating technique to create a metallic membrane on its surface. Its microstructure can be Ferritic, Pearlitic, Martensitic, Etc. This product can bring huge benefits for business owners, such as its incredible safety. It can ensure a decrease in work accidents. It excels in achieving the shape set by the mold.

We adhere to the plan of reducing, reusing, and recycling throughout the production process. Besides, we make efficient use of natural resources and energy in all operations.
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