2012-Feb : SUNSCO received the certifications of JIS G 3321 for Hot-dip 55% Al-Zn Coated steel coil and JIS G 3311 for Prepainted hot-dip 55% Al-Zn coated steel coil on Feb,
2010-Aug : SUNSCO received JIS Certification for Deformed Bars.
2011-Sep : SUNSCO received the certification of API Spec 5L for Line Pipe on Sep, 19
2010-Mar : SUNSCO was certificated as meeting the requirements of ISO 14001:2004
To ensure delivering the best quality products to our customers, we have obtained the following
Maruichi Sun Steel (HANOI) CO., LTD. (SUNSCO/HANOI), a 100% subsidiary company of MARUICHI SUN STEEL JOINT STOCK COMPANY (SUNSCO), being established in 2008 and start its operation in 2010. Our