structural angle 's qualifications and internationally authoritative certifications
Shanghai ChangZeng Metal Co., Ltd. , as an ISO-certified enterprise, has been manufacturing structural angle conforming to a number of international standards and certifications. Our dedicated research and development team is constantly developing internationally-recognized certification programs, which makes sure the finished products have the technical specifications and target performance satisfying the needs of both customers and markets. The product has the properties of safety, security, durability, and long serviceability, each of which is absolutely right for meeting the international standards. Contact us for further details, you will get more valuable information.
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As a pioneer the steel coil industry, ChangZeng has been expanding its own production capacity. ChangZeng's main products include steel tubing series. The superior material applied in steel coil can ensure quality at the source. It can be hot rolled to have malleability. Accurate market positioning of ChangZengallows you the biggest order discount and highest return on investment. Its comes with optional additional alloys including carbon, manganese, silicon, chromium, nickel, molybdenum, and vanadium.
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Our company engages actively in all kinds of sustainability initiatives. The unwavering commitment has truly made a difference in our production methods and has made us a better manufacturer.

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