Metal steel plate has been granted with a number of qualifications and internationally authoritative certifications. As the certifications being required vary by the country of origin and the intended sales markets, please consult our Customer Service for the specific certifications. Product testing and certification do not in themselves produce high-quality products, but they ensure a quality assurance process for the design and manufacture of the product. And these products have been tested typically have testing marks. In Shanghai ChangZeng Metal Co., Ltd. , quality standards go beyond testing procedures and look at the quality of product design and manufacturing practices.
Specialized in production steel beam, ChangZengimmediately stood out in the market. ChangZeng's main products include steel tubing series. Except for package, this product also has additional features, such as being tapped for easy distribution and processing. It is used in transportation, construction, machinery, shipbuilding, and other fields. ChangZengis an innovative team filled with passion. It is highly resistant to mechanical and chemical degradation.
We value sustainability. Therefore, we will adopt sustainable approaches and be responsible for increasing the positive impacts of our production and products.
