March, 1944 |
Began production of welding rods as Tobata Factory of Tatsumi Bussan Co., Ltd. (with the head office located in Seoul and the founder president being Megumi Nagaoka) in Kanahara-cho, Tobata-Shi (Current Shinike-cho, Tobata-ku, Kitakyushu-shi). |
January, 1951 |
Established and registered as Nagaoka Steel Works, Ltd. |
May, 1953 |
Established Osaka factory. |
January, 1955 |
Established Hikari factory to start production of iron wires, wire nails and gas welding rods. |
February, 1962 |
Became JIS certified factory for iron wires, wire nails and hard steel wires. |
January, 1969 |
Began processing of materials for high tension bolts. |
September, 1972 |
Began production of stainless steel wires. |
October, 1976 |
Split Tobata gas station and Kanda gas station establishing a subsidiary of gNagaoka Oil Co., Ltd.h. (Current Nagaoka Trading Co., Ltd.) |
June, 1979 |
Increased production facilities for stainless steel wires. |
July, 1983 |
Moved the head office function to Hikari factory. |
June, 1984 |
Developed production method for aluminium special shaped wire for Optical Ground Wire (OPGW), beginning its production and sales. |
January, 1987 |
Began processing of long length fine diameter steel tube. |
July, 1989 |
Closed Osaka factory. |
August, 1989 |
Established Kudamatsu factory, increasing the production of stainless steel wires. |
January, 1991 |
Installed rolling machine to begin production of stainless steel special shaped wire. |
March, 1991 |
Began production of vertebras for wiper blades. |
June, 1993 |
Increased rolling machine, increasing production of special shaped wire. |
May, 1994 |
Stopped production of welding rods. |
December, 1994 |
Installed fully automatic large annealing furnace (STC furnace). Increased annealing work for Cr stainless steel wire rods. |
August, 1996 |
Expanded production facilities for Cr stainless steel wires. |
April, 1998 |
Established production technology for YUS550, beginning its sales. |
May, 1998 |
Installed a rolling machine (with driving turks), increasing production of special shaped wires. |
January, 2000 |
Awarded Japan Stainless Steel Association prize for YUS550. |
February, 2001 |
Increased a STC furnace. |
January, 2003 |
Newly installed production facilities for titanium wires. |
March, 2004 |
Stopped acid cleaning/coating treatment of steel materials, expanding the sales of titanium wires. |
October, 2005 |
Established production technology for NSSC160R, beginning its sales. |
March, 2007 |
Relocated the head office to Hikari city from Kitakyushu city. |
August, 2007 |
Began operation of the second Hikari Factory. |
July, 2008 |
Installed a new type of continuous wiredrawing machine. |
July, 2009 |
Established drawing technology for titanium alloy wires. |
November, 2010 |
Began operation of Kitakyusyu Factory. |
March, 2011 |
Increased production facilities for titanium wires. |