Dai Duong’s stainless steel pipes, bars, and coils have been assessed and certified by NQA in compliance with BS EN ISO 9001:2015 standards, affirming product quality and an internationally standardized management system.
Dai Duong’s stainless steel pipes, bars, and coils have been assessed and certified by NQA in compliance with BS EN ISO 9001:2015 standards, affirming product quality and an internationally standardized management system.
Dai Duong stainless steel welded pipes are certified to ASTM A554-16, meeting strict international requirements for chemical composition, mechanical strength, and surface quality.
Dai Duong austenitic stainless steel welded pipes are certified to JIS G 3459:2016, widely applied in industries such as water piping systems, chemical processing, power generation, oil, and gas.
Dai Duong stainless steel welded pipes are certified to BS EN 10217-7:2014, meeting stringent international standards for chemical composition, mechanical strength, and surface quality.
Dai Duong is honored to obtain BIS certification under IS 6911:2021, issued by the Bureau of Indian Standards. This certification demonstrates that Dai Duong’s stainless steel coils fully meet international requirements for technical performance, durability, and safety, opening significant opportunities for export to the Indian market.
The Dai Duong stainless steel pipe brand was honored as one of the Top 10 Strong Vietnamese Brands 2018 — a significant milestone affirming brand reputation, product quality, and outstanding competitiveness in Vietnam’s stainless steel market.
Dai Duong has obtained certification of conformity with national technical standards issued by QUACERT – Certification Center (Directorate for Standards, Metrology and Quality). This certification confirms that Dai Duong products fully comply with requirements for dimensions, tensile strength, hydrostatic pressure, corrosion resistance, and chemical composition.
Dai Duong has been granted an exclusive trademark registration certificate by the Intellectual Property Office of Vietnam, affirming its brand position and credibility in the stainless steel market.
Dai Duong was awarded the VTOPBUILD Gold Medal at Vietbuild 2013 — a prestigious honor recognizing reputable construction material brands with high-quality products and significant contributions to the domestic industry.