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Quality Control

ISO 9001 Acquisition Status

Place of Business Registration Date Scope of Registration
Kure Works December 25, 1997 Design, development and production of hot-rolled ordinary steel, special steel and stainless steel strips and sheet
Sakai Works January 14, 1998 Design, development and production of steel sheet and strip products (hot-rolled, cold-rolled, hot-dip galvanized, hot-dip aluminized, electrolytic galvanized, electrocopper-plated and various coated products)
Toyo Works (Acquired as organization related to Sakai) July 27, 2000
Osaka Works
(Including Kanzaki)
March 26, 1998 Production of cold-rolled ordinary steel sheet and strip, cold-rolled special steel sheet and strip, cold-rolled steel strip and sheet, brushed steel strip and sheet, brushed specialty steel strip and sheet, bainite steel strip and sheet and electromagnetic soft steel strip and sheet
Shunan Works May 31, 1994 Design, development and production of stainless steel sheet and strip and heat-resistant steel sheet and strip; hot-rolled products; cold-rolled products
Kinuura Works November 28, 1995 Design, development, production and supplementary service of stainless steel sheet and strip and heat-resistant steel sheet and strip

Products Certified to Display JIS Marks

Place of Business New JIS
Certification Date
Applicable Japanese Industrial Standard
Sandard No. Name
Kure Works March 6, 2007 JIS G 3101 Rolled steels for general structure
JIS G 4051 Carbon steels for machine structural use
JIS G 4053 Low-alloyed steels for machine structural use
JIS G 3131 Hot-rolled mild steel plates, sheets and strips
Sakai Works
Toyo Works
May 22, 2007 JIS G 3141 Cold-reduced carbon steel sheet and strip
JIS G 3302 Hot-dip zinc-coated steel sheet and strip
JIS G 3312 Prepainted hot-dip zinc-coated steel sheet and strip
June 28, 2011 JIS G 3314 Hot-dip aluminium-coated steel sheets and coils
JIS G 3322 Prepainted hot-dip 55% aluminium-zinc alloy-coated steel sheet and strip
August 27, 2013 JIS Q 3323 hot-dip zinc-aluminium-magnesium-alloy-coated steel sheet and strip
Osaka Works (Including those acquired for related organizations of Kanzaki and Sakai) January 23, 2007 JIS G 3141 Cold-reduced carbon steel sheet and strip
JIS G 3311 Cold rolled special steel strip
Shunan Works November 6, 2007 JIS G 4304 Hot-rolled stainless steel plate, sheet and strip
JIS G 4305 Cold-rolled stainless steel plate, sheet and strip
Kinuura Works August 5, 2008 JIS G 4304 Hot-rolled stainless steel plate, sheet and strip
JIS G 4305 Cold-rolled stainless steel plate, sheet and strip